def init():
global theMeshes, theLight, theCamera, theScreen
initializeVAO()
glEnable(GL_CULL_FACE)
glEnable(GL_DEPTH_TEST)
# Add our objects
# LIGHT
theLight = N.array((0.577, 0.577, 0.577, 0.0),dtype=N.float32)
# OBJECTS
theMeshes = []
phongshader = makeShader("phongshader.vert","phongshader.frag")
flatshader = makeShader("flattextured.vert","flattextured.frag")
colorTexture = loadTexture("brickwork-texture.jpg")
normalTexture = loadTexture("brickwork_normal-map.jpg")
for i in range(100):
if i % 3 == 0:
major = N.random.random()*2
minor = major*0.25
verts = torus(major, minor, 64, 16)
elif i % 3 == 1:
radius = N.random.random()*2
verts = sphere(radius, 64, 32)
else:
size = N.random.random()*4
verts = tetrahedron(size)
if i % 5 == 0:
newmesh = flatTexturedMesh(colorTexture,
getArrayBuffer(verts[0]),
getElementBuffer(verts[1]),
len(verts[1]),
flatshader,
N.array((0.5,0.5),dtype=N.float32))
else:
newmesh = coloredMesh(N.array((N.random.random(),
N.random.random(),
N.random.random(),
1.0), dtype=N.float32),
getArrayBuffer(verts[0]),
getElementBuffer(verts[1]),
len(verts[1]),
phongshader)
x = N.random.random()*20-10
y = N.random.random()*20-10
z = N.random.random()*20-10
newmesh.moveRight(x)
newmesh.moveUp(y)
newmesh.moveBack(z)
newmesh.pitch(x)
newmesh.yaw(y)
newmesh.roll(z)
theMeshes.append(newmesh)
# CAMERA
width, height = theScreen.get_size()
aspectRatio = float(width)/float(height)
near = 0.01
far = 100.0
lens = 4.0 # "longer" lenses mean more telephoto
theCamera = Camera(lens, near, far, aspectRatio)
def init():
global theMeshes, theLight, theCamera, theScreen
initializeVAO()
glEnable(GL_CULL_FACE)
glEnable(GL_DEPTH_TEST)
# Add our objects
# LIGHT
theLight = N.array((0.577, 0.577, 0.577, 0.0),dtype=N.float32)
# OBJECTS
theMeshes = []
phongshader = makeShader("phong.vert","phong.frag")
suzanne = readOBJ("suzanne.obj")
for i in range(100):
if i % 4 == 0:
major = N.random.random()*2
minor = major*0.25
verts,elements = torus(major, minor, 64, 16)
elif i % 4 == 1:
radius = N.random.random()*2
verts,elements = sphere(radius, 64, 32)
elif i % 4 == 2:
verts,elements = suzanne
else:
size = N.random.random()*4
verts,elements = tetrahedron(size)
newmesh = coloredMesh(N.array((N.random.random(),
N.random.random(),
N.random.random(),
1.0), dtype=N.float32),
getArrayBuffer(verts),
getElementBuffer(elements),
len(elements),
phongshader)
x = N.random.random()*20-10
y = N.random.random()*20-10
z = N.random.random()*20-10
newmesh.moveRight(x)
newmesh.moveUp(y)
newmesh.moveBack(z)
newmesh.pitch(x)
newmesh.yaw(y)
newmesh.roll(z)
theMeshes.append(newmesh)
# CAMERA
width, height = theScreen.get_size()
aspectRatio = float(width)/float(height)
near = 0.01
far = 100.0
lens = 4.0 # "longer" lenses mean more telephoto
theCamera = Camera(lens, near, far, aspectRatio)
def makeObjects(n=32, area = 20):
theMeshes = []
phongshader = makeShader("phongshader.vert","phongshader.frag")
verts, elements = torus(1,0.25,64,16)
torusVerts = getArrayBuffer(verts)
torusElements = getElementBuffer(elements)
torusNum = len(elements)
verts, elements = sphere(1,64,32)
sphereVerts = getArrayBuffer(verts)
sphereElements = getArrayBuffer(elements)
sphereNum = len(elements)
verts, elements = tetrahedron(2)
tetraVerts = getArrayBuffer(verts)
tetraElements = getElementBuffer(elements)
tetraNum = len(elements)
verts, elements = readOBJ("suzanne.obj")
suzanneVerts = getArrayBuffer(verts)
suzanneElements = getElementBuffer(elements)
suzanneNum = len(elements)
for i in range(n):
if i % 4 == 0:
verts, elements, num = torusVerts, torusElements, torusNum
elif i % 4 == 1:
verts,elements, num = sphereVerts, sphereElements, torusNum
elif i % 4 == 2:
verts, elements, num = suzanneVerts, suzanneElements, torusNum
else:
verts, elements = tetraVerts, tetraElements
newmesh = coloredMesh(N.array((N.random.random(),
N.random.random(),
N.random.random(),
1.0), dtype=N.float32),
verts,
elements,
num,
phongshader)
x = N.random.random()*area - 0.5*area
y = N.random.random()*area - 0.5*area
z = N.random.random()*area - 0.5*area
newmesh.moveRight(x)
newmesh.moveUp(y)
newmesh.moveBack(z)
newmesh.pitch(x)
newmesh.yaw(y)
newmesh.roll(z)
theMeshes.append(newmesh)
return theMeshes
check("positionAttrib", positionAttrib)
check("normalAttrib", normalAttrib)
check("tangentAttrib", tangentAttrib)
check("bitangentAttrib", bitangentAttrib)
check("uvAttrib", uvAttrib)
check("modelUnif", modelUnif)
check("viewUnif", viewUnif)
check("projUnif", projUnif)
check("lightUnif", lightUnif)
check("colorSamplerUnif", colorSamplerUnif)
check("normalSamplerUnif", normalSamplerUnif)
check("makeBumpUnif", makeBumpUnif)
# Vertex Data, positions and normals and texture coords
mytetra = tetrahedron(1.5)
tetraVertices = mytetra[0]
tetraElements = mytetra[1]
vertexComponents = 18 # 4 position, 4 normal, 4 tangent, 4 bitangent, 2 texture
# Ask the graphics card to create a buffer for our vertex data
def getFloatBuffer(arr):
buff = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, buff)
glBufferData(GL_ARRAY_BUFFER, arr, GL_STATIC_DRAW)
glBindBuffer(GL_ARRAY_BUFFER, 0)
return buff
def getElementBuffer(arr):
buff = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buff)
def init():
global theMeshes, theLight, theCamera, theScreen
initializeVAO()
glEnable(GL_CULL_FACE)
glEnable(GL_DEPTH_TEST)
# Add our objects
# LIGHT
theLight = N.array((0.577, 0.577, 0.577, 0.0),dtype=N.float32)
# OBJECTS
theMeshes = []
phongshader = makeShader("phongshader.vert","phongshader.frag")
verts, elements = torus(1,0.25,64,16)
torusVerts = getArrayBuffer(verts)
torusElements = getElementBuffer(elements)
torusNum = len(elements)
verts, elements = sphere(1,64,32)
sphereVerts = getArrayBuffer(verts)
sphereElements = getArrayBuffer(elements)
sphereNum = len(elements)
verts, elements = tetrahedron(2)
tetraVerts = getArrayBuffer(verts)
tetraElements = getElementBuffer(elements)
tetraNum = len(elements)
verts, elements = readOBJ("suzanne.obj")
suzanneVerts = getArrayBuffer(verts)
suzanneElements = getElementBuffer(elements)
suzanneNum = len(elements)
for i in range(32):
if i % 4 == 0:
verts, elements, num = torusVerts, torusElements, torusNum
elif i % 4 == 1:
verts,elements, num = sphereVerts, sphereElements, torusNum
elif i % 4 == 2:
verts, elements, num = suzanneVerts, suzanneElements, torusNum
else:
verts, elements = tetraVerts, tetraElements
newmesh = coloredMesh(N.array((N.random.random(),
N.random.random(),
N.random.random(),
1.0), dtype=N.float32),
verts,
elements,
num,
phongshader)
x = N.random.random()*20-10
y = N.random.random()*20-10
z = N.random.random()*20-10
newmesh.moveRight(x)
newmesh.moveUp(y)
newmesh.moveBack(z)
newmesh.pitch(x)
newmesh.yaw(y)
newmesh.roll(z)
theMeshes.append(newmesh)
# CAMERA
width, height = theScreen.get_size()
aspectRatio = float(width)/float(height)
near = 0.01
far = 100.0
lens = 4.0 # "longer" lenses mean more telephoto
theCamera = Camera(lens, near, far, aspectRatio)