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Merge pull request #41 from Ybalrid/pr_upgrade_imgui_imguizmo_raytrace

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Upgraded dear imgui and ImGuizmo to the latest version
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Syoyo Fujita 2018-03-03 00:43:18 +09:00 committed by GitHub
commit c14616d21c
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8 changed files with 9351 additions and 4284 deletions
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examples/common/imgui/ImGuizmo.cpp
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@ -21,7 +21,9 @@
// SOFTWARE. // SOFTWARE.
#include "imgui.h" #include "imgui.h"
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS #define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include "imgui_internal.h" #include "imgui_internal.h"
#include "ImGuizmo.h" #include "ImGuizmo.h"
@ -65,6 +67,8 @@ namespace ImGuizmo
//template <typename T> T LERP(T x, T y, float z) { return (x + (y - x)*z); } //template <typename T> T LERP(T x, T y, float z) { return (x + (y - x)*z); }
template <typename T> T Clamp(T x, T y, T z) { return ((x<y) ? y : ((x>z) ? z : x)); } template <typename T> T Clamp(T x, T y, T z) { return ((x<y) ? y : ((x>z) ? z : x)); }
template <typename T> T max(T x, T y) { return (x > y) ? x : y; } template <typename T> T max(T x, T y) { return (x > y) ? x : y; }
template <typename T> T min(T x, T y) { return (x < y) ? x : y; }
template <typename T> bool IsWithin(T x, T y, T z) { return (x>=y) && (x<=z); }
struct matrix_t; struct matrix_t;
struct vec_t struct vec_t
@ -86,7 +90,7 @@ namespace ImGuizmo
vec_t& operator -= (const vec_t& v) { x -= v.x; y -= v.y; z -= v.z; w -= v.w; return *this; } vec_t& operator -= (const vec_t& v) { x -= v.x; y -= v.y; z -= v.z; w -= v.w; return *this; }
vec_t& operator += (const vec_t& v) { x += v.x; y += v.y; z += v.z; w += v.w; return *this; } vec_t& operator += (const vec_t& v) { x += v.x; y += v.y; z += v.z; w += v.w; return *this; }
vec_t& operator *= (const vec_t& v) { x *= v.x; y *= v.y; z *= v.z; w *= v.w; return *this; } vec_t& operator *= (const vec_t& v) { x *= v.x; y *= v.y; z *= v.z; w *= v.w; return *this; }
vec_t& operator *= (float v) { x *= v; y *= v; z *= v; w *= v; return *this; } vec_t& operator *= (float v) { x *= v; y *= v; z *= v; w *= v; return *this; }
vec_t operator * (float f) const; vec_t operator * (float f) const;
vec_t operator - () const; vec_t operator - () const;
@ -99,7 +103,7 @@ namespace ImGuizmo
float LengthSq() const { return (x*x + y*y + z*z); }; float LengthSq() const { return (x*x + y*y + z*z); };
vec_t Normalize() { (*this) *= (1.f / Length()); return (*this); } vec_t Normalize() { (*this) *= (1.f / Length()); return (*this); }
vec_t Normalize(const vec_t& v) { this->Set(v.x, v.y, v.z, v.w); this->Normalize(); return (*this); } vec_t Normalize(const vec_t& v) { this->Set(v.x, v.y, v.z, v.w); this->Normalize(); return (*this); }
vec_t Abs() const; vec_t Abs() const;
void Cross(const vec_t& v) void Cross(const vec_t& v)
{ {
vec_t res; vec_t res;
@ -147,7 +151,6 @@ namespace ImGuizmo
vec_t vec_t::operator + (const vec_t& v) const { return makeVect(x + v.x, y + v.y, z + v.z, w + v.w); } vec_t vec_t::operator + (const vec_t& v) const { return makeVect(x + v.x, y + v.y, z + v.z, w + v.w); }
vec_t vec_t::operator * (const vec_t& v) const { return makeVect(x * v.x, y * v.y, z * v.z, w * v.w); } vec_t vec_t::operator * (const vec_t& v) const { return makeVect(x * v.x, y * v.y, z * v.z, w * v.w); }
vec_t vec_t::Abs() const { return makeVect(fabsf(x), fabsf(y), fabsf(z)); } vec_t vec_t::Abs() const { return makeVect(fabsf(x), fabsf(y), fabsf(z)); }
ImVec2 operator+ (const ImVec2& a, const ImVec2& b) { return ImVec2(a.x + b.x, a.y + b.y); }
vec_t Normalized(const vec_t& v) { vec_t res; res = v; res.Normalize(); return res; } vec_t Normalized(const vec_t& v) { vec_t res; res = v; res.Normalize(); return res; }
vec_t Cross(const vec_t& v1, const vec_t& v2) vec_t Cross(const vec_t& v1, const vec_t& v2)
@ -188,7 +191,7 @@ namespace ImGuizmo
{ {
vec_t right, up, dir, position; vec_t right, up, dir, position;
} v; } v;
vec_t component[4]; vec_t component[4];
}; };
matrix_t(const matrix_t& other) { memcpy(&m16[0], &other.m16[0], sizeof(float) * 16); } matrix_t(const matrix_t& other) { memcpy(&m16[0], &other.m16[0], sizeof(float) * 16); }
@ -491,7 +494,7 @@ namespace ImGuizmo
SCALE_Y, SCALE_Y,
SCALE_Z, SCALE_Z,
SCALE_XYZ, SCALE_XYZ,
BOUNDS BOUNDS
}; };
struct Context struct Context
@ -520,6 +523,7 @@ namespace ImGuizmo
vec_t mRayOrigin; vec_t mRayOrigin;
vec_t mRayVector; vec_t mRayVector;
float mRadiusSquareCenter;
ImVec2 mScreenSquareCenter; ImVec2 mScreenSquareCenter;
ImVec2 mScreenSquareMin; ImVec2 mScreenSquareMin;
ImVec2 mScreenSquareMax; ImVec2 mScreenSquareMax;
@ -551,23 +555,25 @@ namespace ImGuizmo
bool mBelowPlaneLimit[3]; bool mBelowPlaneLimit[3];
float mAxisFactor[3]; float mAxisFactor[3];
// bounds stretching // bounds stretching
vec_t mBoundsPivot; vec_t mBoundsPivot;
vec_t mBoundsAnchor; vec_t mBoundsAnchor;
vec_t mBoundsPlan; vec_t mBoundsPlan;
vec_t mBoundsLocalPivot; vec_t mBoundsLocalPivot;
int mBoundsBestAxis; int mBoundsBestAxis;
int mBoundsAxis[2]; int mBoundsAxis[2];
bool mbUsingBounds; bool mbUsingBounds;
matrix_t mBoundsMatrix; matrix_t mBoundsMatrix;
// //
int mCurrentOperation; int mCurrentOperation;
float mX = 0.f; float mX = 0.f;
float mY = 0.f; float mY = 0.f;
float mWidth = 0.f; float mWidth = 0.f;
float mHeight = 0.f; float mHeight = 0.f;
float mXMax = 0.f;
float mYMax = 0.f;
}; };
static Context gContext; static Context gContext;
@ -577,7 +583,11 @@ namespace ImGuizmo
static const vec_t directionUnary[3] = { makeVect(1.f, 0.f, 0.f), makeVect(0.f, 1.f, 0.f), makeVect(0.f, 0.f, 1.f) }; static const vec_t directionUnary[3] = { makeVect(1.f, 0.f, 0.f), makeVect(0.f, 1.f, 0.f), makeVect(0.f, 0.f, 1.f) };
static const ImU32 directionColor[3] = { 0xFF0000AA, 0xFF00AA00, 0xFFAA0000 }; static const ImU32 directionColor[3] = { 0xFF0000AA, 0xFF00AA00, 0xFFAA0000 };
static const ImU32 selectionColor = 0xFF1080FF;
// Alpha: 100%: FF, 87%: DE, 70%: B3, 54%: 8A, 50%: 80, 38%: 61, 12%: 1F
static const ImU32 planeBorderColor[3] = { 0xFFAA0000, 0xFF0000AA, 0xFF00AA00 };
static const ImU32 planeColor[3] = { 0x610000AA, 0x6100AA00, 0x61AA0000 };
static const ImU32 selectionColor = 0x8A1080FF;
static const ImU32 inactiveColor = 0x99999999; static const ImU32 inactiveColor = 0x99999999;
static const ImU32 translationLineColor = 0xAAAAAAAA; static const ImU32 translationLineColor = 0xAAAAAAAA;
static const char *translationInfoMask[] = { "X : %5.3f", "Y : %5.3f", "Z : %5.3f", "X : %5.3f Y : %5.3f", "Y : %5.3f Z : %5.3f", "X : %5.3f Z : %5.3f", "X : %5.3f Y : %5.3f Z : %5.3f" }; static const char *translationInfoMask[] = { "X : %5.3f", "Y : %5.3f", "Z : %5.3f", "X : %5.3f Y : %5.3f", "Y : %5.3f Z : %5.3f", "X : %5.3f Z : %5.3f", "X : %5.3f Y : %5.3f Z : %5.3f" };
@ -598,18 +608,16 @@ namespace ImGuizmo
static ImVec2 worldToPos(const vec_t& worldPos, const matrix_t& mat) static ImVec2 worldToPos(const vec_t& worldPos, const matrix_t& mat)
{ {
//ImGuiIO& io = ImGui::GetIO();
vec_t trans; vec_t trans;
trans.TransformPoint(worldPos, mat); trans.TransformPoint(worldPos, mat);
trans *= 0.5f / trans.w; trans *= 0.5f / trans.w;
trans += makeVect(0.5f, 0.5f); trans += makeVect(0.5f, 0.5f);
trans.y = 1.f - trans.y; trans.y = 1.f - trans.y;
trans.x *= gContext.mWidth; trans.x *= gContext.mWidth;
trans.y *= gContext.mHeight; trans.y *= gContext.mHeight;
trans.x += gContext.mX; trans.x += gContext.mX;
trans.y += gContext.mY; trans.y += gContext.mY;
return ImVec2(trans.x, trans.y); return ImVec2(trans.x, trans.y);
} }
static void ComputeCameraRay(vec_t &rayOrigin, vec_t &rayDir) static void ComputeCameraRay(vec_t &rayOrigin, vec_t &rayDir)
@ -619,8 +627,8 @@ namespace ImGuizmo
matrix_t mViewProjInverse; matrix_t mViewProjInverse;
mViewProjInverse.Inverse(gContext.mViewMat * gContext.mProjectionMat); mViewProjInverse.Inverse(gContext.mViewMat * gContext.mProjectionMat);
float mox = ((io.MousePos.x - gContext.mX) / gContext.mWidth) * 2.f - 1.f; float mox = ((io.MousePos.x - gContext.mX) / gContext.mWidth) * 2.f - 1.f;
float moy = (1.f - ((io.MousePos.y - gContext.mY) / gContext.mHeight)) * 2.f - 1.f; float moy = (1.f - ((io.MousePos.y - gContext.mY) / gContext.mHeight)) * 2.f - 1.f;
rayOrigin.Transform(makeVect(mox, moy, 0.f, 1.f), mViewProjInverse); rayOrigin.Transform(makeVect(mox, moy, 0.f, 1.f), mViewProjInverse);
rayOrigin *= 1.f / rayOrigin.w; rayOrigin *= 1.f / rayOrigin.w;
@ -641,23 +649,38 @@ namespace ImGuizmo
return -(numer / denom); return -(numer / denom);
} }
static bool IsInContextRect( ImVec2 p )
{
return IsWithin( p.x, gContext.mX, gContext.mXMax ) && IsWithin(p.y, gContext.mY, gContext.mYMax );
}
void SetRect(float x, float y, float width, float height) void SetRect(float x, float y, float width, float height)
{ {
gContext.mX = x; gContext.mX = x;
gContext.mY = y; gContext.mY = y;
gContext.mWidth = width; gContext.mWidth = width;
gContext.mHeight = height; gContext.mHeight = height;
gContext.mXMax = gContext.mX + gContext.mWidth;
gContext.mYMax = gContext.mY + gContext.mXMax;
}
void SetDrawlist()
{
gContext.mDrawList = ImGui::GetWindowDrawList();
} }
void BeginFrame() void BeginFrame()
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
ImGui::Begin("gizmo", NULL, io.DisplaySize, 0, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoBringToFrontOnFocus); const ImU32 flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoBringToFrontOnFocus;
ImGui::SetNextWindowSize(io.DisplaySize);
gContext.mDrawList = ImGui::GetWindowDrawList();
ImGui::PushStyleColor(ImGuiCol_WindowBg, 0);
ImGui::Begin("gizmo", NULL, flags);
gContext.mDrawList = ImGui::GetWindowDrawList();
ImGui::End(); ImGui::End();
ImGui::PopStyleColor();
} }
bool IsUsing() bool IsUsing()
@ -673,11 +696,11 @@ namespace ImGuizmo
void Enable(bool enable) void Enable(bool enable)
{ {
gContext.mbEnable = enable; gContext.mbEnable = enable;
if (!enable) if (!enable)
{ {
gContext.mbUsing = false; gContext.mbUsing = false;
gContext.mbUsingBounds = false; gContext.mbUsingBounds = false;
} }
} }
static float GetUniform(const vec_t& position, const matrix_t& mat) static float GetUniform(const vec_t& position, const matrix_t& mat)
@ -738,7 +761,8 @@ namespace ImGuizmo
{ {
int colorPlaneIndex = (i + 2) % 3; int colorPlaneIndex = (i + 2) % 3;
colors[i + 1] = (type == (int)(MOVE_X + i)) ? selectionColor : directionColor[i]; colors[i + 1] = (type == (int)(MOVE_X + i)) ? selectionColor : directionColor[i];
colors[i + 4] = (type == (int)(MOVE_XY + i)) ? selectionColor : directionColor[colorPlaneIndex]; colors[i + 4] = (type == (int)(MOVE_XY + i)) ? selectionColor : planeColor[colorPlaneIndex];
colors[i + 4] = (type == MOVE_SCREEN) ? selectionColor : colors[i + 4];
} }
break; break;
case ROTATE: case ROTATE:
@ -751,8 +775,6 @@ namespace ImGuizmo
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
colors[i + 1] = (type == (int)(SCALE_X + i)) ? selectionColor : directionColor[i]; colors[i + 1] = (type == (int)(SCALE_X + i)) ? selectionColor : directionColor[i];
break; break;
default:
break;
} }
} }
else else
@ -848,7 +870,6 @@ namespace ImGuizmo
static void DrawRotationGizmo(int type) static void DrawRotationGizmo(int type)
{ {
ImDrawList* drawList = gContext.mDrawList; ImDrawList* drawList = gContext.mDrawList;
//ImGuiIO& io = ImGui::GetIO();
// colors // colors
ImU32 colors[7]; ImU32 colors[7];
@ -857,6 +878,7 @@ namespace ImGuizmo
vec_t cameraToModelNormalized = Normalized(gContext.mModel.v.position - gContext.mCameraEye); vec_t cameraToModelNormalized = Normalized(gContext.mModel.v.position - gContext.mCameraEye);
cameraToModelNormalized.TransformVector(gContext.mModelInverse); cameraToModelNormalized.TransformVector(gContext.mModelInverse);
gContext.mRadiusSquareCenter = screenRotateSize * gContext.mHeight;
for (int axis = 0; axis < 3; axis++) for (int axis = 0; axis < 3; axis++)
{ {
ImVec2 circlePos[halfCircleSegmentCount]; ImVec2 circlePos[halfCircleSegmentCount];
@ -870,9 +892,14 @@ namespace ImGuizmo
vec_t pos = makeVect(axisPos[axis], axisPos[(axis+1)%3], axisPos[(axis+2)%3]) * gContext.mScreenFactor; vec_t pos = makeVect(axisPos[axis], axisPos[(axis+1)%3], axisPos[(axis+2)%3]) * gContext.mScreenFactor;
circlePos[i] = worldToPos(pos, gContext.mMVP); circlePos[i] = worldToPos(pos, gContext.mMVP);
} }
drawList->AddPolyline(circlePos, halfCircleSegmentCount, colors[3 - axis], false, 2, true);
float radiusAxis = sqrtf( (ImLengthSqr(worldToPos(gContext.mModel.v.position, gContext.mViewProjection) - circlePos[0]) ));
if(radiusAxis > gContext.mRadiusSquareCenter)
gContext.mRadiusSquareCenter = radiusAxis;
drawList->AddPolyline(circlePos, halfCircleSegmentCount, colors[3 - axis], false, 2);
} }
drawList->AddCircle(worldToPos(gContext.mModel.v.position, gContext.mViewProjection), screenRotateSize * gContext.mHeight, colors[0], 64); drawList->AddCircle(worldToPos(gContext.mModel.v.position, gContext.mViewProjection), gContext.mRadiusSquareCenter, colors[0], 64, 3.f);
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
@ -889,8 +916,8 @@ namespace ImGuizmo
pos *= gContext.mScreenFactor; pos *= gContext.mScreenFactor;
circlePos[i] = worldToPos(pos + gContext.mModel.v.position, gContext.mViewProjection); circlePos[i] = worldToPos(pos + gContext.mModel.v.position, gContext.mViewProjection);
} }
drawList->AddConvexPolyFilled(circlePos, halfCircleSegmentCount, 0x801080FF, true); drawList->AddConvexPolyFilled(circlePos, halfCircleSegmentCount, 0x801080FF);
drawList->AddPolyline(circlePos, halfCircleSegmentCount, 0xFF1080FF, true, 2, true); drawList->AddPolyline(circlePos, halfCircleSegmentCount, 0xFF1080FF, true, 2);
ImVec2 destinationPosOnScreen = circlePos[1]; ImVec2 destinationPosOnScreen = circlePos[1];
char tmps[512]; char tmps[512];
@ -918,9 +945,6 @@ namespace ImGuizmo
ImU32 colors[7]; ImU32 colors[7];
ComputeColors(colors, type, SCALE); ComputeColors(colors, type, SCALE);
// draw screen cirle
drawList->AddCircleFilled(gContext.mScreenSquareCenter, 12.f, colors[0], 32);
// draw // draw
vec_t scaleDisplay = { 1.f, 1.f, 1.f, 1.f }; vec_t scaleDisplay = { 1.f, 1.f, 1.f, 1.f };
@ -942,18 +966,21 @@ namespace ImGuizmo
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
drawList->AddLine(baseSSpace, worldDirSSpaceNoScale, 0xFF404040, 6.f); drawList->AddLine(baseSSpace, worldDirSSpaceNoScale, 0xFF404040, 3.f);
drawList->AddCircleFilled(worldDirSSpaceNoScale, 10.f, 0xFF404040); drawList->AddCircleFilled(worldDirSSpaceNoScale, 6.f, 0xFF404040);
} }
drawList->AddLine(baseSSpace, worldDirSSpace, colors[i + 1], 6.f); drawList->AddLine(baseSSpace, worldDirSSpace, colors[i + 1], 3.f);
drawList->AddCircleFilled(worldDirSSpace, 10.f, colors[i + 1]); drawList->AddCircleFilled(worldDirSSpace, 6.f, colors[i + 1]);
if (gContext.mAxisFactor[i] < 0.f) if (gContext.mAxisFactor[i] < 0.f)
DrawHatchedAxis(dirPlaneX * scaleDisplay[i]); DrawHatchedAxis(dirPlaneX * scaleDisplay[i]);
} }
} }
// draw screen cirle
drawList->AddCircleFilled(gContext.mScreenSquareCenter, 6.f, colors[0], 32);
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
//ImVec2 sourcePosOnScreen = worldToPos(gContext.mMatrixOrigin, gContext.mViewProjection); //ImVec2 sourcePosOnScreen = worldToPos(gContext.mMatrixOrigin, gContext.mViewProjection);
@ -978,21 +1005,21 @@ namespace ImGuizmo
static void DrawTranslationGizmo(int type) static void DrawTranslationGizmo(int type)
{ {
ImDrawList* drawList = gContext.mDrawList; ImDrawList* drawList = gContext.mDrawList;
if (!drawList) if (!drawList)
return; return;
// colors // colors
ImU32 colors[7]; ImU32 colors[7];
ComputeColors(colors, type, TRANSLATE); ComputeColors(colors, type, TRANSLATE);
// draw screen quad const ImVec2 origin = worldToPos(gContext.mModel.v.position, gContext.mViewProjection);
drawList->AddRectFilled(gContext.mScreenSquareMin, gContext.mScreenSquareMax, colors[0], 2.f);
// draw // draw
for (unsigned int i = 0; i < 3; i++) bool belowAxisLimit = false;
bool belowPlaneLimit = false;
for (unsigned int i = 0; i < 3; ++i)
{ {
vec_t dirPlaneX, dirPlaneY; vec_t dirPlaneX, dirPlaneY;
bool belowAxisLimit, belowPlaneLimit;
ComputeTripodAxisAndVisibility(i, dirPlaneX, dirPlaneY, belowAxisLimit, belowPlaneLimit); ComputeTripodAxisAndVisibility(i, dirPlaneX, dirPlaneY, belowAxisLimit, belowPlaneLimit);
// draw axis // draw axis
@ -1001,7 +1028,19 @@ namespace ImGuizmo
ImVec2 baseSSpace = worldToPos(dirPlaneX * 0.1f * gContext.mScreenFactor, gContext.mMVP); ImVec2 baseSSpace = worldToPos(dirPlaneX * 0.1f * gContext.mScreenFactor, gContext.mMVP);
ImVec2 worldDirSSpace = worldToPos(dirPlaneX * gContext.mScreenFactor, gContext.mMVP); ImVec2 worldDirSSpace = worldToPos(dirPlaneX * gContext.mScreenFactor, gContext.mMVP);
drawList->AddLine(baseSSpace, worldDirSSpace, colors[i + 1], 6.f); drawList->AddLine(baseSSpace, worldDirSSpace, colors[i + 1], 3.f);
// Arrow head begin
ImVec2 dir(origin - worldDirSSpace);
float d = sqrtf(ImLengthSqr(dir));
dir /= d; // Normalize
dir *= 6.0f;
ImVec2 ortogonalDir(dir.y, -dir.x); // Perpendicular vector
ImVec2 a(worldDirSSpace + dir);
drawList->AddTriangleFilled(worldDirSSpace - dir, a + ortogonalDir, a - ortogonalDir, colors[i + 1]);
// Arrow head end
if (gContext.mAxisFactor[i] < 0.f) if (gContext.mAxisFactor[i] < 0.f)
DrawHatchedAxis(dirPlaneX); DrawHatchedAxis(dirPlaneX);
@ -1011,15 +1050,18 @@ namespace ImGuizmo
if (belowPlaneLimit) if (belowPlaneLimit)
{ {
ImVec2 screenQuadPts[4]; ImVec2 screenQuadPts[4];
for (int j = 0; j < 4; j++) for (int j = 0; j < 4; ++j)
{ {
vec_t cornerWorldPos = (dirPlaneX * quadUV[j * 2] + dirPlaneY * quadUV[j * 2 + 1]) * gContext.mScreenFactor; vec_t cornerWorldPos = (dirPlaneX * quadUV[j * 2] + dirPlaneY * quadUV[j * 2 + 1]) * gContext.mScreenFactor;
screenQuadPts[j] = worldToPos(cornerWorldPos, gContext.mMVP); screenQuadPts[j] = worldToPos(cornerWorldPos, gContext.mMVP);
} }
drawList->AddConvexPolyFilled(screenQuadPts, 4, colors[i + 4], true); drawList->AddPolyline(screenQuadPts, 4, planeBorderColor[i], true, 1.0f);
drawList->AddConvexPolyFilled(screenQuadPts, 4, colors[i + 4]);
} }
} }
drawList->AddCircleFilled(gContext.mScreenSquareCenter, 6.f, colors[0], 32);
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
ImVec2 sourcePosOnScreen = worldToPos(gContext.mMatrixOrigin, gContext.mViewProjection); ImVec2 sourcePosOnScreen = worldToPos(gContext.mMatrixOrigin, gContext.mViewProjection);
@ -1040,176 +1082,233 @@ namespace ImGuizmo
} }
} }
static bool CanActivate()
{
if (ImGui::IsMouseClicked(0) && !ImGui::IsAnyItemHovered() && !ImGui::IsAnyItemActive())
return true;
return false;
}
static void HandleAndDrawLocalBounds(float *bounds, matrix_t *matrix, float *snapValues) static void HandleAndDrawLocalBounds(float *bounds, matrix_t *matrix, float *snapValues)
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
ImDrawList* drawList = gContext.mDrawList; ImDrawList* drawList = gContext.mDrawList;
// compute best projection axis // compute best projection axis
vec_t bestAxisWorldDirection; vec_t axesWorldDirections[3];
int bestAxis = gContext.mBoundsBestAxis; vec_t bestAxisWorldDirection = { 0.0f, 0.0f, 0.0f, 0.0f };
if (!gContext.mbUsingBounds) int axes[3];
{ unsigned int numAxes = 1;
axes[0] = gContext.mBoundsBestAxis;
int bestAxis = axes[0];
if (!gContext.mbUsingBounds)
{
numAxes = 0;
float bestDot = 0.f;
for (unsigned int i = 0; i < 3; i++)
{
vec_t dirPlaneNormalWorld;
dirPlaneNormalWorld.TransformVector(directionUnary[i], gContext.mModelSource);
dirPlaneNormalWorld.Normalize();
float bestDot = 0.f; float dt = fabsf( Dot(Normalized(gContext.mCameraEye - gContext.mModelSource.v.position), dirPlaneNormalWorld) );
for (unsigned int i = 0; i < 3; i++) if ( dt >= bestDot )
{ {
vec_t dirPlaneNormalWorld; bestDot = dt;
dirPlaneNormalWorld.TransformVector(directionUnary[i], gContext.mModelSource); bestAxis = i;
dirPlaneNormalWorld.Normalize(); bestAxisWorldDirection = dirPlaneNormalWorld;
}
float dt = Dot(Normalized(gContext.mCameraEye - gContext.mModelSource.v.position), dirPlaneNormalWorld); if( dt >= 0.1f )
if (fabsf(dt) >= bestDot) {
{ axes[numAxes] = i;
bestDot = fabsf(dt); axesWorldDirections[numAxes] = dirPlaneNormalWorld;
bestAxis = i; ++numAxes;
bestAxisWorldDirection = dirPlaneNormalWorld; }
} }
} }
}
// corners if( numAxes == 0 )
vec_t aabb[4]; {
axes[0] = bestAxis;
axesWorldDirections[0] = bestAxisWorldDirection;
numAxes = 1;
}
else if( bestAxis != axes[0] )
{
unsigned int bestIndex = 0;
for (unsigned int i = 0; i < numAxes; i++)
{
if( axes[i] == bestAxis )
{
bestIndex = i;
break;
}
}
int tempAxis = axes[0];
axes[0] = axes[bestIndex];
axes[bestIndex] = tempAxis;
vec_t tempDirection = axesWorldDirections[0];
axesWorldDirections[0] = axesWorldDirections[bestIndex];
axesWorldDirections[bestIndex] = tempDirection;
}
int secondAxis = (bestAxis + 1) % 3; for (unsigned int axisIndex = 0; axisIndex < numAxes; ++axisIndex)
int thirdAxis = (bestAxis + 2) % 3; {
bestAxis = axes[axisIndex];
bestAxisWorldDirection = axesWorldDirections[axisIndex];
for (int i = 0; i < 4; i++) // corners
{ vec_t aabb[4];
aabb[i][3] = aabb[i][bestAxis] = 0.f;
aabb[i][secondAxis] = bounds[secondAxis + 3 * (i >> 1)];
aabb[i][thirdAxis] = bounds[thirdAxis + 3 * ((i >> 1) ^ (i & 1))];
}
// draw bounds int secondAxis = (bestAxis + 1) % 3;
unsigned int anchorAlpha = gContext.mbEnable ? 0xFF000000 : 0x80000000; int thirdAxis = (bestAxis + 2) % 3;
matrix_t boundsMVP = gContext.mModelSource * gContext.mViewProjection; for (int i = 0; i < 4; i++)
for (int i = 0; i < 4;i++) {
{ aabb[i][3] = aabb[i][bestAxis] = 0.f;
ImVec2 worldBound1 = worldToPos(aabb[i], boundsMVP); aabb[i][secondAxis] = bounds[secondAxis + 3 * (i >> 1)];
ImVec2 worldBound2 = worldToPos(aabb[(i+1)%4], boundsMVP); aabb[i][thirdAxis] = bounds[thirdAxis + 3 * ((i >> 1) ^ (i & 1))];
float boundDistance = sqrtf(ImLengthSqr(worldBound1 - worldBound2)); }
int stepCount = (int)(boundDistance / 10.f);
float stepLength = 1.f / (float)stepCount; // draw bounds
for (int j = 0; j < stepCount; j++) unsigned int anchorAlpha = gContext.mbEnable ? 0xFF000000 : 0x80000000;
{
float t1 = (float)j * stepLength; matrix_t boundsMVP = gContext.mModelSource * gContext.mViewProjection;
float t2 = (float)j * stepLength + stepLength * 0.5f; for (int i = 0; i < 4;i++)
ImVec2 worldBoundSS1 = ImLerp(worldBound1, worldBound2, ImVec2(t1, t1)); {
ImVec2 worldBoundSS2 = ImLerp(worldBound1, worldBound2, ImVec2(t2, t2)); ImVec2 worldBound1 = worldToPos(aabb[i], boundsMVP);
drawList->AddLine(worldBoundSS1, worldBoundSS2, 0xAAAAAA + anchorAlpha, 3.f); ImVec2 worldBound2 = worldToPos(aabb[(i+1)%4], boundsMVP);
} if( !IsInContextRect( worldBound1 ) || !IsInContextRect( worldBound2 ) )
vec_t midPoint = (aabb[i] + aabb[(i + 1) % 4] ) * 0.5f; {
ImVec2 midBound = worldToPos(midPoint, boundsMVP); continue;
static const float AnchorBigRadius = 8.f; }
static const float AnchorSmallRadius = 6.f; float boundDistance = sqrtf(ImLengthSqr(worldBound1 - worldBound2));
bool overBigAnchor = ImLengthSqr(worldBound1 - io.MousePos) <= (AnchorBigRadius*AnchorBigRadius); int stepCount = (int)(boundDistance / 10.f);
bool overSmallAnchor = ImLengthSqr(midBound - io.MousePos) <= (AnchorBigRadius*AnchorBigRadius); stepCount = min( stepCount, 1000 );
float stepLength = 1.f / (float)stepCount;
for (int j = 0; j < stepCount; j++)
{
float t1 = (float)j * stepLength;
float t2 = (float)j * stepLength + stepLength * 0.5f;
ImVec2 worldBoundSS1 = ImLerp(worldBound1, worldBound2, ImVec2(t1, t1));
ImVec2 worldBoundSS2 = ImLerp(worldBound1, worldBound2, ImVec2(t2, t2));
drawList->AddLine(worldBoundSS1, worldBoundSS2, 0xAAAAAA + anchorAlpha, 3.f);
}
vec_t midPoint = (aabb[i] + aabb[(i + 1) % 4] ) * 0.5f;
ImVec2 midBound = worldToPos(midPoint, boundsMVP);
static const float AnchorBigRadius = 8.f;
static const float AnchorSmallRadius = 6.f;
bool overBigAnchor = ImLengthSqr(worldBound1 - io.MousePos) <= (AnchorBigRadius*AnchorBigRadius);
bool overSmallAnchor = ImLengthSqr(midBound - io.MousePos) <= (AnchorBigRadius*AnchorBigRadius);
unsigned int bigAnchorColor = overBigAnchor ? selectionColor : (0xAAAAAA + anchorAlpha); unsigned int bigAnchorColor = overBigAnchor ? selectionColor : (0xAAAAAA + anchorAlpha);
unsigned int smallAnchorColor = overSmallAnchor ? selectionColor : (0xAAAAAA + anchorAlpha); unsigned int smallAnchorColor = overSmallAnchor ? selectionColor : (0xAAAAAA + anchorAlpha);
drawList->AddCircleFilled(worldBound1, AnchorBigRadius, bigAnchorColor); drawList->AddCircleFilled(worldBound1, AnchorBigRadius, bigAnchorColor);
drawList->AddCircleFilled(midBound, AnchorSmallRadius, smallAnchorColor); drawList->AddCircleFilled(midBound, AnchorSmallRadius, smallAnchorColor);
int oppositeIndex = (i + 2) % 4; int oppositeIndex = (i + 2) % 4;
// big anchor on corners // big anchor on corners
if (!gContext.mbUsingBounds && gContext.mbEnable && overBigAnchor && io.MouseDown[0]) if (!gContext.mbUsingBounds && gContext.mbEnable && overBigAnchor && CanActivate())
{ {
gContext.mBoundsPivot.TransformPoint(aabb[(i + 2) % 4], gContext.mModelSource); gContext.mBoundsPivot.TransformPoint(aabb[(i + 2) % 4], gContext.mModelSource);
gContext.mBoundsAnchor.TransformPoint(aabb[i], gContext.mModelSource); gContext.mBoundsAnchor.TransformPoint(aabb[i], gContext.mModelSource);
gContext.mBoundsPlan = BuildPlan(gContext.mBoundsAnchor, bestAxisWorldDirection); gContext.mBoundsPlan = BuildPlan(gContext.mBoundsAnchor, bestAxisWorldDirection);
gContext.mBoundsBestAxis = bestAxis; gContext.mBoundsBestAxis = bestAxis;
gContext.mBoundsAxis[0] = secondAxis; gContext.mBoundsAxis[0] = secondAxis;
gContext.mBoundsAxis[1] = thirdAxis; gContext.mBoundsAxis[1] = thirdAxis;
gContext.mBoundsLocalPivot.Set(0.f); gContext.mBoundsLocalPivot.Set(0.f);
gContext.mBoundsLocalPivot[secondAxis] = aabb[oppositeIndex][secondAxis]; gContext.mBoundsLocalPivot[secondAxis] = aabb[oppositeIndex][secondAxis];
gContext.mBoundsLocalPivot[thirdAxis] = aabb[oppositeIndex][thirdAxis]; gContext.mBoundsLocalPivot[thirdAxis] = aabb[oppositeIndex][thirdAxis];
gContext.mbUsingBounds = true; gContext.mbUsingBounds = true;
gContext.mBoundsMatrix = gContext.mModelSource; gContext.mBoundsMatrix = gContext.mModelSource;
} }
// small anchor on middle of segment // small anchor on middle of segment
if (!gContext.mbUsingBounds && gContext.mbEnable && overSmallAnchor && io.MouseDown[0]) if (!gContext.mbUsingBounds && gContext.mbEnable && overSmallAnchor && CanActivate())
{ {
vec_t midPointOpposite = (aabb[(i + 2) % 4] + aabb[(i + 3) % 4]) * 0.5f; vec_t midPointOpposite = (aabb[(i + 2) % 4] + aabb[(i + 3) % 4]) * 0.5f;
gContext.mBoundsPivot.TransformPoint(midPointOpposite, gContext.mModelSource); gContext.mBoundsPivot.TransformPoint(midPointOpposite, gContext.mModelSource);
gContext.mBoundsAnchor.TransformPoint(midPoint, gContext.mModelSource); gContext.mBoundsAnchor.TransformPoint(midPoint, gContext.mModelSource);
gContext.mBoundsPlan = BuildPlan(gContext.mBoundsAnchor, bestAxisWorldDirection); gContext.mBoundsPlan = BuildPlan(gContext.mBoundsAnchor, bestAxisWorldDirection);
gContext.mBoundsBestAxis = bestAxis; gContext.mBoundsBestAxis = bestAxis;
int indices[] = { secondAxis , thirdAxis }; int indices[] = { secondAxis , thirdAxis };
gContext.mBoundsAxis[0] = indices[i%2]; gContext.mBoundsAxis[0] = indices[i%2];
gContext.mBoundsAxis[1] = -1; gContext.mBoundsAxis[1] = -1;
gContext.mBoundsLocalPivot.Set(0.f); gContext.mBoundsLocalPivot.Set(0.f);
gContext.mBoundsLocalPivot[gContext.mBoundsAxis[0]] = aabb[oppositeIndex][indices[i % 2]];// bounds[gContext.mBoundsAxis[0]] * (((i + 1) & 2) ? 1.f : -1.f); gContext.mBoundsLocalPivot[gContext.mBoundsAxis[0]] = aabb[oppositeIndex][indices[i % 2]];// bounds[gContext.mBoundsAxis[0]] * (((i + 1) & 2) ? 1.f : -1.f);
gContext.mbUsingBounds = true; gContext.mbUsingBounds = true;
gContext.mBoundsMatrix = gContext.mModelSource; gContext.mBoundsMatrix = gContext.mModelSource;
} }
} }
if (gContext.mbUsingBounds) if (gContext.mbUsingBounds)
{ {
matrix_t scale; matrix_t scale;
scale.SetToIdentity(); scale.SetToIdentity();
// compute projected mouse position on plan // compute projected mouse position on plan
const float len = IntersectRayPlane(gContext.mRayOrigin, gContext.mRayVector, gContext.mBoundsPlan); const float len = IntersectRayPlane(gContext.mRayOrigin, gContext.mRayVector, gContext.mBoundsPlan);
vec_t newPos = gContext.mRayOrigin + gContext.mRayVector * len; vec_t newPos = gContext.mRayOrigin + gContext.mRayVector * len;
// compute a reference and delta vectors base on mouse move // compute a reference and delta vectors base on mouse move
vec_t deltaVector = (newPos - gContext.mBoundsPivot).Abs(); vec_t deltaVector = (newPos - gContext.mBoundsPivot).Abs();
vec_t referenceVector = (gContext.mBoundsAnchor - gContext.mBoundsPivot).Abs(); vec_t referenceVector = (gContext.mBoundsAnchor - gContext.mBoundsPivot).Abs();
// for 1 or 2 axes, compute a ratio that's used for scale and snap it based on resulting length // for 1 or 2 axes, compute a ratio that's used for scale and snap it based on resulting length
for (int i = 0; i < 2; i++) for (int i = 0; i < 2; i++)
{ {
int axisIndex = gContext.mBoundsAxis[i]; int axisIndex1 = gContext.mBoundsAxis[i];
if (axisIndex == -1) if (axisIndex1 == -1)
continue; continue;
float ratioAxis = 1.f; float ratioAxis = 1.f;
vec_t axisDir = gContext.mBoundsMatrix.component[axisIndex].Abs(); vec_t axisDir = gContext.mBoundsMatrix.component[axisIndex1].Abs();
float dtAxis = axisDir.Dot(referenceVector); float dtAxis = axisDir.Dot(referenceVector);
float boundSize = bounds[axisIndex + 3] - bounds[axisIndex]; float boundSize = bounds[axisIndex1 + 3] - bounds[axisIndex1];
if (dtAxis > FLT_EPSILON) if (dtAxis > FLT_EPSILON)
ratioAxis = axisDir.Dot(deltaVector) / dtAxis; ratioAxis = axisDir.Dot(deltaVector) / dtAxis;
if (snapValues) if (snapValues)
{ {
float length = boundSize * ratioAxis; float length = boundSize * ratioAxis;
ComputeSnap(&length, snapValues[axisIndex]); ComputeSnap(&length, snapValues[axisIndex1]);
if (boundSize > FLT_EPSILON) if (boundSize > FLT_EPSILON)
ratioAxis = length / boundSize; ratioAxis = length / boundSize;
} }
scale.component[axisIndex] *= ratioAxis; scale.component[axisIndex1] *= ratioAxis;
} }
// transform matrix // transform matrix
matrix_t preScale, postScale; matrix_t preScale, postScale;
preScale.Translation(-gContext.mBoundsLocalPivot); preScale.Translation(-gContext.mBoundsLocalPivot);
postScale.Translation(gContext.mBoundsLocalPivot); postScale.Translation(gContext.mBoundsLocalPivot);
matrix_t res = preScale * scale * postScale * gContext.mBoundsMatrix; matrix_t res = preScale * scale * postScale * gContext.mBoundsMatrix;
*matrix = res; *matrix = res;
// info text // info text
char tmps[512]; char tmps[512];
ImVec2 destinationPosOnScreen = worldToPos(gContext.mModel.v.position, gContext.mViewProjection); ImVec2 destinationPosOnScreen = worldToPos(gContext.mModel.v.position, gContext.mViewProjection);
ImFormatString(tmps, sizeof(tmps), "X: %.2f Y: %.2f Z:%.2f" ImFormatString(tmps, sizeof(tmps), "X: %.2f Y: %.2f Z:%.2f"
, (bounds[3] - bounds[0]) * gContext.mBoundsMatrix.component[0].Length() * scale.component[0].Length() , (bounds[3] - bounds[0]) * gContext.mBoundsMatrix.component[0].Length() * scale.component[0].Length()
, (bounds[4] - bounds[1]) * gContext.mBoundsMatrix.component[1].Length() * scale.component[1].Length() , (bounds[4] - bounds[1]) * gContext.mBoundsMatrix.component[1].Length() * scale.component[1].Length()
, (bounds[5] - bounds[2]) * gContext.mBoundsMatrix.component[2].Length() * scale.component[2].Length() , (bounds[5] - bounds[2]) * gContext.mBoundsMatrix.component[2].Length() * scale.component[2].Length()
); );
drawList->AddText(ImVec2(destinationPosOnScreen.x + 15, destinationPosOnScreen.y + 15), 0xFF000000, tmps); drawList->AddText(ImVec2(destinationPosOnScreen.x + 15, destinationPosOnScreen.y + 15), 0xFF000000, tmps);
drawList->AddText(ImVec2(destinationPosOnScreen.x + 14, destinationPosOnScreen.y + 14), 0xFFFFFFFF, tmps); drawList->AddText(ImVec2(destinationPosOnScreen.x + 14, destinationPosOnScreen.y + 14), 0xFFFFFFFF, tmps);
} }
if (!io.MouseDown[0]) if (!io.MouseDown[0])
gContext.mbUsingBounds = false; gContext.mbUsingBounds = false;
if( gContext.mbUsingBounds )
break;
}
} }
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@ -1255,7 +1354,7 @@ namespace ImGuizmo
vec_t deltaScreen = { io.MousePos.x - gContext.mScreenSquareCenter.x, io.MousePos.y - gContext.mScreenSquareCenter.y, 0.f, 0.f }; vec_t deltaScreen = { io.MousePos.x - gContext.mScreenSquareCenter.x, io.MousePos.y - gContext.mScreenSquareCenter.y, 0.f, 0.f };
float dist = deltaScreen.Length(); float dist = deltaScreen.Length();
if (dist >= (screenRotateSize - 0.002f) * gContext.mHeight && dist < (screenRotateSize + 0.002f) * gContext.mHeight) if (dist >= (gContext.mRadiusSquareCenter - 1.0f) && dist < (gContext.mRadiusSquareCenter + 1.0f))
type = ROTATE_SCREEN; type = ROTATE_SCREEN;
const vec_t planNormals[] = { gContext.mModel.v.right, gContext.mModel.v.up, gContext.mModel.v.dir}; const vec_t planNormals[] = { gContext.mModel.v.right, gContext.mModel.v.up, gContext.mModel.v.dir};
@ -1327,6 +1426,7 @@ namespace ImGuizmo
// move // move
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
ImGui::CaptureMouseFromApp();
const float len = IntersectRayPlane(gContext.mRayOrigin, gContext.mRayVector, gContext.mTranslationPlan); const float len = IntersectRayPlane(gContext.mRayOrigin, gContext.mRayVector, gContext.mTranslationPlan);
vec_t newPos = gContext.mRayOrigin + gContext.mRayVector * len; vec_t newPos = gContext.mRayOrigin + gContext.mRayVector * len;
@ -1385,8 +1485,9 @@ namespace ImGuizmo
// find new possible way to move // find new possible way to move
vec_t gizmoHitProportion; vec_t gizmoHitProportion;
type = GetMoveType(&gizmoHitProportion); type = GetMoveType(&gizmoHitProportion);
if (io.MouseDown[0] && type != NONE) if (CanActivate() && type != NONE)
{ {
ImGui::CaptureMouseFromApp();
gContext.mbUsing = true; gContext.mbUsing = true;
gContext.mCurrentOperation = type; gContext.mCurrentOperation = type;
const vec_t movePlanNormal[] = { gContext.mModel.v.up, gContext.mModel.v.dir, gContext.mModel.v.right, gContext.mModel.v.dir, gContext.mModel.v.right, gContext.mModel.v.up, -gContext.mCameraDir }; const vec_t movePlanNormal[] = { gContext.mModel.v.up, gContext.mModel.v.dir, gContext.mModel.v.right, gContext.mModel.v.dir, gContext.mModel.v.right, gContext.mModel.v.up, -gContext.mCameraDir };
@ -1409,8 +1510,9 @@ namespace ImGuizmo
{ {
// find new possible way to scale // find new possible way to scale
type = GetScaleType(); type = GetScaleType();
if (io.MouseDown[0] && type != NONE) if (CanActivate() && type != NONE)
{ {
ImGui::CaptureMouseFromApp();
gContext.mbUsing = true; gContext.mbUsing = true;
gContext.mCurrentOperation = type; gContext.mCurrentOperation = type;
const vec_t movePlanNormal[] = { gContext.mModel.v.up, gContext.mModel.v.dir, gContext.mModel.v.right, gContext.mModel.v.dir, gContext.mModel.v.up, gContext.mModel.v.right, -gContext.mCameraDir }; const vec_t movePlanNormal[] = { gContext.mModel.v.up, gContext.mModel.v.dir, gContext.mModel.v.right, gContext.mModel.v.dir, gContext.mModel.v.up, gContext.mModel.v.right, -gContext.mCameraDir };
@ -1429,6 +1531,7 @@ namespace ImGuizmo
// scale // scale
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
ImGui::CaptureMouseFromApp();
const float len = IntersectRayPlane(gContext.mRayOrigin, gContext.mRayVector, gContext.mTranslationPlan); const float len = IntersectRayPlane(gContext.mRayOrigin, gContext.mRayVector, gContext.mTranslationPlan);
vec_t newPos = gContext.mRayOrigin + gContext.mRayVector * len; vec_t newPos = gContext.mRayOrigin + gContext.mRayVector * len;
vec_t newOrigin = newPos - gContext.mRelativeOrigin * gContext.mScreenFactor; vec_t newOrigin = newPos - gContext.mRelativeOrigin * gContext.mScreenFactor;
@ -1498,8 +1601,9 @@ namespace ImGuizmo
applyRotationLocaly = true; applyRotationLocaly = true;
} }
if (io.MouseDown[0] && type != NONE) if (CanActivate() && type != NONE)
{ {
ImGui::CaptureMouseFromApp();
gContext.mbUsing = true; gContext.mbUsing = true;
gContext.mCurrentOperation = type; gContext.mCurrentOperation = type;
const vec_t rotatePlanNormal[] = { gContext.mModel.v.right, gContext.mModel.v.up, gContext.mModel.v.dir, -gContext.mCameraDir }; const vec_t rotatePlanNormal[] = { gContext.mModel.v.right, gContext.mModel.v.up, gContext.mModel.v.dir, -gContext.mCameraDir };
@ -1523,6 +1627,7 @@ namespace ImGuizmo
// rotation // rotation
if (gContext.mbUsing) if (gContext.mbUsing)
{ {
ImGui::CaptureMouseFromApp();
gContext.mRotationAngle = ComputeAngleOnPlan(); gContext.mRotationAngle = ComputeAngleOnPlan();
if (snap) if (snap)
{ {
@ -1627,41 +1732,41 @@ namespace ImGuizmo
int type = NONE; int type = NONE;
if (gContext.mbEnable) if (gContext.mbEnable)
{ {
if (!gContext.mbUsingBounds) if (!gContext.mbUsingBounds)
{ {
switch (operation) switch (operation)
{ {
case ROTATE: case ROTATE:
HandleRotation(matrix, deltaMatrix, type, snap); HandleRotation(matrix, deltaMatrix, type, snap);
break; break;
case TRANSLATE: case TRANSLATE:
HandleTranslation(matrix, deltaMatrix, type, snap); HandleTranslation(matrix, deltaMatrix, type, snap);
break; break;
case SCALE: case SCALE:
HandleScale(matrix, deltaMatrix, type, snap); HandleScale(matrix, deltaMatrix, type, snap);
break; break;
} }
} }
} }
if (localBounds && !gContext.mbUsing) if (localBounds && !gContext.mbUsing)
HandleAndDrawLocalBounds(localBounds, (matrix_t*)matrix, boundsSnap); HandleAndDrawLocalBounds(localBounds, (matrix_t*)matrix, boundsSnap);
if (!gContext.mbUsingBounds) if (!gContext.mbUsingBounds)
{ {
switch (operation) switch (operation)
{ {
case ROTATE: case ROTATE:
DrawRotationGizmo(type); DrawRotationGizmo(type);
break; break;
case TRANSLATE: case TRANSLATE:
DrawTranslationGizmo(type); DrawTranslationGizmo(type);
break; break;
case SCALE: case SCALE:
DrawScaleGizmo(type); DrawScaleGizmo(type);
break; break;
} }
} }
} }
void DrawCube(const float *view, const float *projection, float *matrix) void DrawCube(const float *view, const float *projection, float *matrix)
@ -1713,7 +1818,7 @@ namespace ImGuizmo
continue; continue;
// draw face with lighter color // draw face with lighter color
gContext.mDrawList->AddConvexPolyFilled(faceCoordsScreen, 4, directionColor[normalIndex] | 0x808080, true); gContext.mDrawList->AddConvexPolyFilled(faceCoordsScreen, 4, directionColor[normalIndex] | 0x808080);
} }
} }
}; };

3
examples/common/imgui/ImGuizmo.h
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@ -112,6 +112,9 @@ void EditTransform(const Camera& camera, matrix_t& matrix)
namespace ImGuizmo namespace ImGuizmo
{ {
// call inside your own window and before Manipulate() in order to draw gizmo to that window.
IMGUI_API void SetDrawlist();
// call BeginFrame right after ImGui_XXXX_NewFrame(); // call BeginFrame right after ImGui_XXXX_NewFrame();
IMGUI_API void BeginFrame(); IMGUI_API void BeginFrame();

9422
examples/common/imgui/imgui.cpp
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1312
examples/common/imgui/imgui.h
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1314
examples/common/imgui/imgui_draw.cpp
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9
examples/common/imgui/imgui_impl_btgui.cpp
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@ -17,6 +17,7 @@
#include "OpenGLWindow/X11OpenGLWindow.h" #include "OpenGLWindow/X11OpenGLWindow.h"
#endif #endif
#include <imgui_internal.h>
#include <cstdio> #include <cstdio>
#define IMGUI_B3G_CONTROL (300) #define IMGUI_B3G_CONTROL (300)
@ -122,12 +123,12 @@ void ImGui_ImplBtGui_RenderDrawLists(ImDrawData* draw_data) {
(GLsizei)last_viewport[3]); (GLsizei)last_viewport[3]);
} }
static const char* ImGui_ImplBtGui_GetClipboardText() { static const char* ImGui_ImplBtGui_GetClipboardText(void* user_ctx) {
// @todo // @todo
return NULL; // glfwGetClipboardString(g_Window); return NULL; // glfwGetClipboardString(g_Window);
} }
static void ImGui_ImplBtGui_SetClipboardText(const char* text) { static void ImGui_ImplBtGui_SetClipboardText(void* user_ctx, const char* text) {
// @todo // @todo
return; return;
// glfwSetClipboardString(g_Window, text); // glfwSetClipboardString(g_Window, text);
@ -259,7 +260,7 @@ bool ImGui_ImplBtGui_Init(b3gDefaultOpenGLWindow* window) {
io.SetClipboardTextFn = ImGui_ImplBtGui_SetClipboardText; io.SetClipboardTextFn = ImGui_ImplBtGui_SetClipboardText;
io.GetClipboardTextFn = ImGui_ImplBtGui_GetClipboardText; io.GetClipboardTextFn = ImGui_ImplBtGui_GetClipboardText;
#ifdef _WIN32 #ifdef _WIN32
//io.ImeWindowHandle = glfwGetWin32Window(g_Window); // io.ImeWindowHandle = glfwGetWin32Window(g_Window);
#endif #endif
#if 0 #if 0
@ -277,7 +278,7 @@ bool ImGui_ImplBtGui_Init(b3gDefaultOpenGLWindow* window) {
void ImGui_ImplBtGui_Shutdown() { void ImGui_ImplBtGui_Shutdown() {
ImGui_ImplBtGui_InvalidateDeviceObjects(); ImGui_ImplBtGui_InvalidateDeviceObjects();
ImGui::Shutdown(); ImGui::Shutdown(ImGui::GetCurrentContext());
} }
void ImGui_ImplBtGui_NewFrame(int mouse_x, int mouse_y) { void ImGui_ImplBtGui_NewFrame(int mouse_x, int mouse_y) {

897
examples/common/imgui/imgui_internal.h
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61
examples/raytrace/main.cc
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@ -53,6 +53,7 @@ THE SOFTWARE.
#include <cstdio> #include <cstdio>
#include <cstdlib> #include <cstdlib>
#include <cstring> #include <cstring>
#include <fstream>
#include <iostream> #include <iostream>
#include <limits> #include <limits>
#include <map> #include <map>
@ -338,6 +339,8 @@ void keyboardCallback(int keycode, int state) {
void mouseMoveCallback(float x, float y) { void mouseMoveCallback(float x, float y) {
if (gMouseLeftDown) { if (gMouseLeftDown) {
if (ImGuizmo::IsOver() || ImGuizmo::IsUsing()) { if (ImGuizmo::IsOver() || ImGuizmo::IsUsing()) {
gSceneDirty = true;
// RequestRender();
} else { } else {
float w = static_cast<float>(gRenderConfig.width); float w = static_cast<float>(gRenderConfig.width);
float h = static_cast<float>(gRenderConfig.height); float h = static_cast<float>(gRenderConfig.height);
@ -376,26 +379,29 @@ void mouseButtonCallback(int button, int state, float x, float y) {
(void)y; (void)y;
ImGui_ImplBtGui_SetMouseButtonState(button, (state == 1)); ImGui_ImplBtGui_SetMouseButtonState(button, (state == 1));
if (button == 0 && !state)
gMouseLeftDown = false; // prevent sticky trackball after using gizmo
ImGuiIO &io = ImGui::GetIO(); ImGuiIO &io = ImGui::GetIO();
if (io.WantCaptureMouse || io.WantCaptureKeyboard) { if (io.WantCaptureMouse || io.WantCaptureKeyboard) {
return; if (button == 0 && !state) {
} if (ImGuizmo::IsUsing()) {
// left button
if (button == 0) {
if (state) {
gMouseLeftDown = true;
if (ImGuizmo::IsOver() || ImGuizmo::IsUsing()) {
} else {
trackball(gPrevQuat, 0.0f, 0.0f, 0.0f, 0.0f);
}
} else {
gMouseLeftDown = false;
if (ImGuizmo::IsOver() || ImGuizmo::IsUsing()) {
gSceneDirty = true; gSceneDirty = true;
RequestRender(); RequestRender();
} }
} }
} else {
// left button
if (button == 0) {
if (state) {
gMouseLeftDown = true;
if (ImGuizmo::IsOver() || ImGuizmo::IsUsing()) {
} else {
trackball(gPrevQuat, 0.0f, 0.0f, 0.0f, 0.0f);
}
} else {
}
}
} }
} }
@ -762,10 +768,36 @@ int main(int argc, char **argv) {
} }
} }
if (textures.size() > 0) {
materials[0].diffuse_texid = 0;
}
gAsset.materials = materials; gAsset.materials = materials;
gAsset.default_material = default_material; gAsset.default_material = default_material;
gAsset.textures = textures; gAsset.textures = textures;
#ifdef _DEBUG
// output raw data as RGB ASCII PPM file
if (textures.size() > 0) {
std::ofstream output(
"./"
"debug"
".ppm");
if (output) {
output << "P3\n#sampleOutputDebug\n";
example::Texture &t = textures[0];
output << t.width << ' ' << t.height << "\n#imgSize\n255\n";
for (size_t i{0}; i < t.width * t.height * t.components;
i += t.components) {
for (size_t j{0}; j < 3; ++j)
output << size_t(t.image[i + j]) << '\n';
}
}
}
#endif
for (size_t n = 0; n < meshes.size(); n++) { for (size_t n = 0; n < meshes.size(); n++) {
size_t mesh_id = gAsset.meshes.size(); size_t mesh_id = gAsset.meshes.size();
gAsset.meshes.push_back(meshes[mesh_id]); gAsset.meshes.push_back(meshes[mesh_id]);
@ -872,6 +904,7 @@ int main(int argc, char **argv) {
window->setResizeCallback(resizeCallback); window->setResizeCallback(resizeCallback);
checkErrors("resize"); checkErrors("resize");
ImGui::CreateContext();
ImGui_ImplBtGui_Init(window); ImGui_ImplBtGui_Init(window);
ImGuiIO &io = ImGui::GetIO(); ImGuiIO &io = ImGui::GetIO();