From fd98542ce969d03aa088b48282c2716977cec650 Mon Sep 17 00:00:00 2001
From: daid <daid303@gmail.com>
Date: Fri, 27 Jul 2012 13:48:24 +0200
Subject: [PATCH] Improve performance of rotating 3D objects a bit.

---
 Cura/gui/opengl.py         |  2 +-
 Cura/gui/projectPlanner.py |  2 ++
 Cura/util/mesh.py          | 17 ++++++-----------
 Cura/util/profile.py       |  1 +
 4 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/Cura/gui/opengl.py b/Cura/gui/opengl.py
index 1c385e5965..7b2b676c22 100644
--- a/Cura/gui/opengl.py
+++ b/Cura/gui/opengl.py
@@ -216,8 +216,8 @@ def DrawSTL(mesh):
 		glVertex3f(v3[0], v3[1], v3[2])
 		glNormal3f(-mesh.normal[i/3][0], -mesh.normal[i/3][1], -mesh.normal[i/3][2])
 		glVertex3f(v1[0], v1[1], v1[2])
-		glVertex3f(v2[0], v2[1], v2[2])
 		glVertex3f(v3[0], v3[1], v3[2])
+		glVertex3f(v2[0], v2[1], v2[2])
 		glEnd()
 
 def DrawGCodeLayer(layer):
diff --git a/Cura/gui/projectPlanner.py b/Cura/gui/projectPlanner.py
index 5872956ae3..35bed71fc8 100644
--- a/Cura/gui/projectPlanner.py
+++ b/Cura/gui/projectPlanner.py
@@ -1081,6 +1081,8 @@ class preferencesDialog(configBase.configWindowBase):
 		validators.validFloat(c, 0.1)
 		c = configBase.SettingRow(left, 'Head size - Y towards end (mm)', 'extruder_head_size_max_y', '0', 'Size of your printer head in the Y direction.', type = 'preference')
 		validators.validFloat(c, 0.1)
+		c = configBase.SettingRow(left, 'Head gantry height (mm)', 'extruder_head_size_height', '0', 'The tallest object height that will always fit under your printers gantry system when the printer head is at the lowest Z position.', type = 'preference')
+		validators.validFloat(c)
 		
 		self.okButton = wx.Button(left, -1, 'Ok')
 		left.GetSizer().Add(self.okButton, (left.GetSizer().GetRows(), 1))
diff --git a/Cura/util/mesh.py b/Cura/util/mesh.py
index 4cb1d1899c..128d362e3f 100644
--- a/Cura/util/mesh.py
+++ b/Cura/util/mesh.py
@@ -56,17 +56,12 @@ class mesh(object):
 		mat10 = math.sin(rotate) * scaleX
 		mat11 = math.cos(rotate) * scaleY
 		
-		for i in xrange(0, len(self.origonalVertexes)):
-			x = self.origonalVertexes[i][0]
-			y = self.origonalVertexes[i][1]
-			z = self.origonalVertexes[i][2]
-			if swapXZ:
-				x, z = z, x
-			if swapYZ:
-				y, z = z, y
-			self.vertexes[i][0] = x * mat00 + y * mat01
-			self.vertexes[i][1] = x * mat10 + y * mat11
-			self.vertexes[i][2] = z * scaleZ
+		mat = numpy.array([[mat00,mat10,0],[mat01,mat11,0],[0,0,scaleZ]])
+		if swapXZ:
+			mat = numpy.array([mat[2],mat[1],mat[0]])
+		if swapYZ:
+			mat = numpy.array([mat[0],mat[2],mat[1]])
+		self.vertexes = (numpy.matrix(self.origonalVertexes, copy = False) * numpy.matrix(mat)).getA()
 
 		for i in xrange(0, len(self.origonalVertexes), 3):
 			v1 = self.vertexes[i]
diff --git a/Cura/util/profile.py b/Cura/util/profile.py
index e3ef0717d9..c90bdf5286 100644
--- a/Cura/util/profile.py
+++ b/Cura/util/profile.py
@@ -177,6 +177,7 @@ preferencesDefaultSettings = {
 	'extruder_head_size_min_y': '18.0',
 	'extruder_head_size_max_x': '18.0',
 	'extruder_head_size_max_y': '35.0',
+	'extruder_head_size_height': '80.0',
 }
 
 #########################################################