added add_mesh_pyramid.py to add_mesh_extra_objects script

thanks to cotejrp1

1 files changed, 143 insertions, 0 deletions

diff --git a/add_mesh_extra_objects/add_mesh_pyramid.py b/add_mesh_extra_objects/add_mesh_pyramid.py
new file mode 100644
index 00000000..48e6e3e0
--- /dev/null
+++ b/add_mesh_extra_objects/add_mesh_pyramid.py
@@ -0,0 +1,143 @@
+# add_mesh_pyramid.py (c) 2011 Phil Cote (cotejrp1)
+#
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENCE BLOCK *****
+'''
+bl_info = {
+    'name': 'Mesh Pyramid',
+    'author': 'Phil Cote, cotejrp1, (http://www.blenderpythontutorials.com)',
+    'version': (0,1),
+    "blender": (2, 5, 7),
+    "api": 35853,
+    'location': 'View3D > Add > Mesh',
+    'description': 'Create an egyption-style step pyramid',
+    'warning': '', # used for warning icon and text in addons panel
+    'category': 'Add Mesh'}
+
+
+'''
+import bpy
+from bpy.props import FloatVectorProperty, IntProperty, FloatProperty
+from add_utils import AddObjectHelper, add_object_data
+from mathutils import Vector
+
+
+def makePyramid( initialSize, stepHeight, stepWidth, numberSteps ):
+    
+    vertList = []
+    faceList = []
+ 
+    curSize = initialSize # how large each step will be overall
+    
+    # b = buttom, t = top, f = front, b = back, l = left, r = right
+    x = y = z = 0
+    voffset = 0 # refers relative vert indices to help make faces fo each step
+    sn = 0 # step number
+ 
+    while sn < numberSteps:
+        # bottom verts for this iteration   
+        bfl = (x,y,z)
+        bfr = (x+curSize, y, z)
+        bbl = (x,y+curSize,z)
+        bbr = (x+curSize, y+curSize, z)
+ 
+        # top verts for this iteration.
+        tfl = (x,y,z+stepHeight)
+        tfr = (x+curSize, y, z+stepHeight)
+        tbl = (x,y+curSize,z+stepHeight)
+        tbr = (x+curSize, y+curSize, z+stepHeight)
+ 
+        # add to the vert buffer
+        vertList.extend( ( bfl, bfr, bbl, bbr, tfl, tfr, tbl, tbr, ) )
+        
+        # side faces
+        faceList.extend( ( ( voffset+4, voffset+5, voffset+1, voffset+0 ), ) )# front
+        faceList.extend( ( ( voffset+6, voffset+7, voffset+3, voffset+2  ), ) )# back
+        faceList.extend( ( ( voffset+2, voffset+6, voffset+4, voffset+0  ), ) ) # left
+        faceList.extend( ( ( voffset+3, voffset+7, voffset+5, voffset+1 ), ) ) # right
+ 
+ 
+        # horizontal connecting faces ( note: not applicable for the first iteration ).
+        if voffset > 0:
+          faceList.extend( ( (voffset-4, voffset-3, voffset+1, voffset+0 ), ) ) # connector front
+          faceList.extend( ( (voffset-2, voffset-1, voffset+3, voffset+2 ), ) ) # back
+          faceList.extend( ( (voffset-4, voffset-2, voffset+2, voffset+0 ), ) )  # left
+          faceList.extend( ( (voffset-3, voffset-1, voffset+3, voffset+1 ), ) ) # right
+            
+ 
+        # set up parameters for the next iteration
+        curSize = curSize - ( stepWidth * 2 )
+        x = x + stepWidth
+        y = y + stepWidth
+        z = z + stepHeight
+        sn = sn + 1
+        voffset = voffset + 8
+ 
+        
+    # cap the top.
+    voffset = voffset - 8 # corrects for the unnecessary voffset change done final iteration
+    faceList.extend( ( (voffset+6, voffset+7, voffset+5, voffset+4), ) )
+ 
+    # cap the bottom.
+    faceList.extend( ( ( 2, 3, 1, 0), ) )
+    return vertList, faceList
+
+
+def add_pyramid_object( self, context ):
+    verts, faces = makePyramid( self.initialSize, self.stepHeight, self.stepWidth, self.numberSteps )
+    mesh_data = bpy.data.meshes.new( name = "Pyramid" )
+    mesh_data.from_pydata( verts, [], faces )
+    mesh_data.update()
+    res = add_object_data( context, mesh_data, operator=self )
+    
+    
+    
+class OBJECT_OT_add_pyramid(bpy.types.Operator, AddObjectHelper):
+    """Add a Mesh Object"""
+    bl_idname = "mesh.primative_step_pyramid_add"
+    bl_label = "Pyramid"
+    bl_description = "Create a Pyramid Mesh"
+    bl_options = {'REGISTER', 'UNDO'}
+    
+    initialSize = FloatProperty( name="Initial Size", default=2.0, min=0.0, max=20.0 )
+    stepHeight= FloatProperty( name="Step Height", default=0.2, min=0.0, max=10.0 )
+    stepWidth= FloatProperty( name="Step Width", default=0.2, min=0.0, max=10.0 )
+    numberSteps= IntProperty( name="Number Steps", default=5, min=1, max=20 )
+    
+
+    def execute(self, context):
+        add_pyramid_object(self, context)
+        return {'FINISHED'}
+
+'''
+def menu_func(self, context):
+    self.layout.operator(OBJECT_OT_add_pyramid.bl_idname, text="Pyramid", icon="MESH_CUBE")
+
+def register():
+    bpy.utils.register_class(OBJECT_OT_add_pyramid)
+    bpy.types.INFO_MT_mesh_add.append(menu_func)
+
+
+def unregister():
+    bpy.utils.unregister_class(OBJECT_OT_add_pyramid)
+    bpy.types.INFO_MT_mesh_add.remove(menu_func)
+
+if __name__ == "__main__":
+    register()        
+'''
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