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basic_shapes.py
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# coding=utf-8
"""
Daniel Calderon, CC3501, 2019-2
vertices and indices for simple shapes
"""
# A simple class container to store vertices and indices that define a shape
class Shape:
def __init__(self, vertices, indices, textureFileName=None):
self.vertices = vertices
self.indices = indices
self.textureFileName = textureFileName
def createAxis(length=1.0):
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors
-length, 0.0, 0.0, 0.0, 0.0, 0.0,
length, 0.0, 0.0, 1.0, 0.0, 0.0,
0.0, -length, 0.0, 0.0, 0.0, 0.0,
0.0, length, 0.0, 0.0, 1.0, 0.0,
0.0, 0.0, -length, 0.0, 0.0, 0.0,
0.0, 0.0, length, 0.0, 0.0, 1.0]
# This shape is meant to be drawn with GL_LINES,
# i.e. every 2 indices, we have 1 line.
indices = [
0, 1,
2, 3,
4, 5]
return Shape(vertices, indices)
def createRainbowTriangle():
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors
-0.5, -0.5, 0.0, 1.0, 0.0, 0.0,
0.5, -0.5, 0.0, 0.0, 1.0, 0.0,
0.0, 0.5, 0.0, 0.0, 0.0, 1.0]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [0, 1, 2]
return Shape(vertices, indices)
def createRainbowQuad():
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors
-0.5, -0.5, 0.0, 1.0, 0.0, 0.0,
0.5, -0.5, 0.0, 0.0, 1.0, 0.0,
0.5, 0.5, 0.0, 0.0, 0.0, 1.0,
-0.5, 0.5, 0.0, 1.0, 1.0, 1.0]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2,
2, 3, 0]
return Shape(vertices, indices)
def createColorQuad(r, g, b):
# Defining locations and colors for each vertex of the shape
vertices = [
# positions colors
-0.5, -0.5, 0.0, r, g, b,
0.5, -0.5, 0.0, r, g, b,
0.5, 0.5, 0.0, r, g, b,
-0.5, 0.5, 0.0, r, g, b]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2,
2, 3, 0]
return Shape(vertices, indices)
def createTextureQuad(image_filename, nx=1, ny=1):
# Defining locations and texture coordinates for each vertex of the shape
vertices = [
# positions texture
-0.5, -0.5, 0.0, 0, ny,
0.5, -0.5, 0.0, nx, ny,
0.5, 0.5, 0.0, nx, 0,
-0.5, 0.5, 0.0, 0, 0]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2,
2, 3, 0]
textureFileName = image_filename
return Shape(vertices, indices, textureFileName)
def createRainbowCube():
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors
-0.5, -0.5, 0.5, 1.0, 0.0, 0.0,
0.5, -0.5, 0.5, 0.0, 1.0, 0.0,
0.5, 0.5, 0.5, 0.0, 0.0, 1.0,
-0.5, 0.5, 0.5, 1.0, 1.0, 1.0,
-0.5, -0.5, -0.5, 1.0, 1.0, 0.0,
0.5, -0.5, -0.5, 0.0, 1.0, 1.0,
0.5, 0.5, -0.5, 1.0, 0.0, 1.0,
-0.5, 0.5, -0.5, 1.0, 1.0, 1.0]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2, 2, 3, 0,
4, 5, 6, 6, 7, 4,
4, 5, 1, 1, 0, 4,
6, 7, 3, 3, 2, 6,
5, 6, 2, 2, 1, 5,
7, 4, 0, 0, 3, 7]
return Shape(vertices, indices)
def createColorCube(r, g, b):
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors
-0.5, -0.5, 0.5, r, g, b,
0.5, -0.5, 0.5, r, g, b,
0.5, 0.5, 0.5, r, g, b,
-0.5, 0.5, 0.5, r, g, b,
-0.5, -0.5, -0.5, r, g, b,
0.5, -0.5, -0.5, r, g, b,
0.5, 0.5, -0.5, r, g, b,
-0.5, 0.5, -0.5, r, g, b]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2, 2, 3, 0,
4, 5, 6, 6, 7, 4,
4, 5, 1, 1, 0, 4,
6, 7, 3, 3, 2, 6,
5, 6, 2, 2, 1, 5,
7, 4, 0, 0, 3, 7]
return Shape(vertices, indices)
def createTextureCube(image_filename):
# Defining locations and texture coordinates for each vertex of the shape
vertices = [
# positions texture coordinates
# Z+
-0.5, -0.5, 0.5, 0, 1,
0.5, -0.5, 0.5, 1, 1,
0.5, 0.5, 0.5, 1, 0,
-0.5, 0.5, 0.5, 0, 0,
# Z-
-0.5, -0.5, -0.5, 0, 1,
0.5, -0.5, -0.5, 1, 1,
0.5, 0.5, -0.5, 1, 0,
-0.5, 0.5, -0.5, 0, 0,
# X+
0.5, -0.5, -0.5, 0, 1,
0.5, 0.5, -0.5, 1, 1,
0.5, 0.5, 0.5, 1, 0,
0.5, -0.5, 0.5, 0, 0
,
# X-
-0.5, -0.5, -0.5, 0, 1,
-0.5, 0.5, -0.5, 1, 1,
-0.5, 0.5, 0.5, 1, 0,
-0.5, -0.5, 0.5, 0, 0,
# Y+
-0.5, 0.5, -0.5, 0, 1,
0.5, 0.5, -0.5, 1, 1,
0.5, 0.5, 0.5, 1, 0,
-0.5, 0.5, 0.5, 0, 0,
# Y-
-0.5, -0.5, -0.5, 0, 1,
0.5, -0.5, -0.5, 1, 1,
0.5, -0.5, 0.5, 1, 0,
-0.5, -0.5, 0.5, 0, 0
]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2, 2, 3, 0, # Z+
7, 6, 5, 5, 4, 7, # Z-
8, 9,10,10,11, 8, # X+
15,14,13,13,12,15, # X-
19,18,17,17,16,19, # Y+
20,21,22,22,23,20] # Y-
return Shape(vertices, indices, image_filename)
def createRainbowNormalsCube():
sq3 = 0.57735027
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors normals
-0.5, -0.5, 0.5, 1.0, 0.0, 0.0, -sq3, -sq3, sq3,
0.5, -0.5, 0.5, 0.0, 1.0, 0.0, sq3, -sq3, sq3,
0.5, 0.5, 0.5, 0.0, 0.0, 1.0, sq3, sq3, sq3,
-0.5, 0.5, 0.5, 1.0, 1.0, 1.0, -sq3, sq3, sq3,
-0.5, -0.5, -0.5, 1.0, 1.0, 0.0, -sq3, -sq3, -sq3,
0.5, -0.5, -0.5, 0.0, 1.0, 1.0, sq3, -sq3, -sq3,
0.5, 0.5, -0.5, 1.0, 0.0, 1.0, sq3, sq3, -sq3,
-0.5, 0.5, -0.5, 1.0, 1.0, 1.0, -sq3, sq3, -sq3]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [0, 1, 2, 2, 3, 0,
4, 5, 6, 6, 7, 4,
4, 5, 1, 1, 0, 4,
6, 7, 3, 3, 2, 6,
5, 6, 2, 2, 1, 5,
7, 4, 0, 0, 3, 7]
return Shape(vertices, indices)
def createColorNormalsCube(r, g, b):
# Defining the location and colors of each vertex of the shape
vertices = [
# positions colors normals
# Z+
-0.5, -0.5, 0.5, r, g, b, 0,0,1,
0.5, -0.5, 0.5, r, g, b, 0,0,1,
0.5, 0.5, 0.5, r, g, b, 0,0,1,
-0.5, 0.5, 0.5, r, g, b, 0,0,1,
# Z-
-0.5, -0.5, -0.5, r, g, b, 0,0,-1,
0.5, -0.5, -0.5, r, g, b, 0,0,-1,
0.5, 0.5, -0.5, r, g, b, 0,0,-1,
-0.5, 0.5, -0.5, r, g, b, 0,0,-1,
# X+
0.5, -0.5, -0.5, r, g, b, 1,0,0,
0.5, 0.5, -0.5, r, g, b, 1,0,0,
0.5, 0.5, 0.5, r, g, b, 1,0,0,
0.5, -0.5, 0.5, r, g, b, 1,0,0,
# X-
-0.5, -0.5, -0.5, r, g, b, -1,0,0,
-0.5, 0.5, -0.5, r, g, b, -1,0,0,
-0.5, 0.5, 0.5, r, g, b, -1,0,0,
-0.5, -0.5, 0.5, r, g, b, -1,0,0,
# Y+
-0.5, 0.5, -0.5, r, g, b, 0,1,0,
0.5, 0.5, -0.5, r, g, b, 0,1,0,
0.5, 0.5, 0.5, r, g, b, 0,1,0,
-0.5, 0.5, 0.5, r, g, b, 0,1,0,
# Y-
-0.5, -0.5, -0.5, r, g, b, 0,-1,0,
0.5, -0.5, -0.5, r, g, b, 0,-1,0,
0.5, -0.5, 0.5, r, g, b, 0,-1,0,
-0.5, -0.5, 0.5, r, g, b, 0,-1,0
]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2, 2, 3, 0, # Z+
7, 6, 5, 5, 4, 7, # Z-
8, 9,10,10,11, 8, # X+
15,14,13,13,12,15, # X-
19,18,17,17,16,19, # Y+
20,21,22,22,23,20] # Y-
return Shape(vertices, indices)
def createTextureNormalsCube(image_filename):
# Defining locations,texture coordinates and normals for each vertex of the shape
vertices = [
# positions tex coords normals
# Z+
-0.5, -0.5, 0.5, 0, 1, 0,0,1,
0.5, -0.5, 0.5, 1, 1, 0,0,1,
0.5, 0.5, 0.5, 1, 0, 0,0,1,
-0.5, 0.5, 0.5, 0, 0, 0,0,1,
# Z-
-0.5, -0.5, -0.5, 0, 1, 0,0,-1,
0.5, -0.5, -0.5, 1, 1, 0,0,-1,
0.5, 0.5, -0.5, 1, 0, 0,0,-1,
-0.5, 0.5, -0.5, 0, 0, 0,0,-1,
# X+
0.5, -0.5, -0.5, 0, 1, 1,0,0,
0.5, 0.5, -0.5, 1, 1, 1,0,0,
0.5, 0.5, 0.5, 1, 0, 1,0,0,
0.5, -0.5, 0.5, 0, 0, 1,0,0,
# X-
-0.5, -0.5, -0.5, 0, 1, -1,0,0,
-0.5, 0.5, -0.5, 1, 1, -1,0,0,
-0.5, 0.5, 0.5, 1, 0, -1,0,0,
-0.5, -0.5, 0.5, 0, 0, -1,0,0,
# Y+
-0.5, 0.5, -0.5, 0, 1, 0,1,0,
0.5, 0.5, -0.5, 1, 1, 0,1,0,
0.5, 0.5, 0.5, 1, 0, 0,1,0,
-0.5, 0.5, 0.5, 0, 0, 0,1,0,
# Y-
-0.5, -0.5, -0.5, 0, 1, 0,-1,0,
0.5, -0.5, -0.5, 1, 1, 0,-1,0,
0.5, -0.5, 0.5, 1, 0, 0,-1,0,
-0.5, -0.5, 0.5, 0, 0, 0,-1,0
]
# Defining connections among vertices
# We have a triangle every 3 indices specified
indices = [
0, 1, 2, 2, 3, 0, # Z+
7, 6, 5, 5, 4, 7, # Z-
8, 9,10,10,11, 8, # X+
15,14,13,13,12,15, # X-
19,18,17,17,16,19, # Y+
20,21,22,22,23,20] # Y-
return Shape(vertices, indices, image_filename)