From 70869641df8e6e38e4a3e3a8cce542349e9f81ea Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Tue, 3 Apr 2007 05:57:04 +0000
Subject: [PATCH] Python Add Mesh Script, adds a Torus with radius and segment
 options.

---
 release/scripts/add_mesh_torus.py | 64 +++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 release/scripts/add_mesh_torus.py

diff --git a/release/scripts/add_mesh_torus.py b/release/scripts/add_mesh_torus.py
new file mode 100644
index 00000000000..7cc55815755
--- /dev/null
+++ b/release/scripts/add_mesh_torus.py
@@ -0,0 +1,64 @@
+#!BPY
+"""
+Name: 'Torus'
+Blender: 243
+Group: 'AddMesh'
+"""
+import BPyAddMesh
+import Blender
+from math import cos, sin, pi
+
+def add_torus(PREF_MAJOR_RAD, PREF_MINOR_RAD, PREF_MAJOR_SEG, PREF_MINOR_SEG):
+	Vector = Blender.Mathutils.Vector
+	RotationMatrix = Blender.Mathutils.RotationMatrix
+	verts = []
+	faces = []
+	i1 = 0
+	tot_verts = PREF_MAJOR_SEG * PREF_MINOR_SEG
+	for major_index in xrange(PREF_MAJOR_SEG):
+		verts_tmp = []
+		mtx = RotationMatrix( 360 * float(major_index)/PREF_MAJOR_SEG, 3, 'z' )
+		
+		for minor_index in xrange(PREF_MINOR_SEG):
+			angle = 2*pi*minor_index/PREF_MINOR_SEG
+			
+			verts.append( Vector(PREF_MAJOR_RAD+(cos(angle)*PREF_MINOR_RAD), 0, (sin(angle)*PREF_MINOR_RAD)) * mtx )
+			if minor_index+1==PREF_MINOR_SEG:
+				i2 = (major_index)*PREF_MINOR_SEG
+				i3 = i1 + PREF_MINOR_SEG
+				i4 = i2 + PREF_MINOR_SEG
+				print i1,i2,i3,i4
+			else:
+				i2 = i1 + 1
+				i3 = i1 + PREF_MINOR_SEG
+				i4 = i3 + 1
+			
+			if i2>=tot_verts:	i2 = i2-tot_verts
+			if i3>=tot_verts:	i3 = i3-tot_verts
+			if i4>=tot_verts:	i4 = i4-tot_verts
+			
+			faces.append( (i3,i4,i2,i1) )
+			i1+=1
+	
+	return verts, faces
+
+def main():
+	Draw = Blender.Draw
+	PREF_MAJOR_RAD = Draw.Create(1.0)
+	PREF_MINOR_RAD = Draw.Create(0.25)
+	PREF_MAJOR_SEG = Draw.Create(48)
+	PREF_MINOR_SEG = Draw.Create(16)
+
+	if not Draw.PupBlock('Add Torus', [\
+	('Major Radius:', PREF_MAJOR_RAD,  0.01, 100, 'Radius for the main ring of the torus'),\
+	('Minor Radius:', PREF_MINOR_RAD,  0.01, 100, 'Radius for the minor ring of the torus setting the thickness of the ring.'),\
+	('Major Segments:', PREF_MAJOR_SEG,  3, 256, 'Radius for the main ring of the torus'),\
+	('Minor Segments:', PREF_MINOR_SEG,  3, 256, 'Radius for the minor ring of the torus setting the thickness of the ring.'),\
+	]):
+		return
+	
+	verts, faces = add_torus(PREF_MAJOR_RAD.val, PREF_MINOR_RAD.val, PREF_MAJOR_SEG.val, PREF_MINOR_SEG.val)
+	
+	BPyAddMesh.add_mesh_simple('Torus', verts, [], faces)
+
+main()
\ No newline at end of file