def _createVertexBuffer(self):
self.vertexbuffer = VertexBuffer.MakeStandardVertexBuffer(
vertices=[vec3(*x) for x in self.vertexArray],
tex_coords=ListFunctions.flattenListOfLists(self.texCoords),
tex_coords_2=ListFunctions.flattenListOfLists(self.worldTexCoords))
self.indexbuffer = VertexBuffer.IndexBufferObject(self.indexArray,
element_type='I')
def onInit(self):
self.points = [
vec3(-0.5, -0.5, 0),
vec3(0.5, -0.5, 0),
vec3(0.0, 0.5, 0)
]
self.normals = [vec3(0, 0, 1), vec3(0, 0, 1), vec3(0, 0, 1)]
self.colors = [vec4(0, 0, 1, 1), vec4(0, 1, 0, 1), vec4(1, 0, 0, 1)]
self.vbo = VertexBuffer.MakeStandardVertexBuffer(self.points,
colors=self.colors)
self.indexbuffer = VertexBuffer.IndexBufferObject([0, 1, 2])
def createBuffers(self, vertices, texCoords, normals, colors, triangles, triSize):
buffSize = (len(vertices) + len(normals) + len(texCoords) + len(colors)) * sizeof(GLfloat)
self.vertBuff = VertexBuffer(buffSize)
self.vertices = VBOArray(len(vertices), GLfloat, vertices, self.vertBuff)
self.normals = VBOArray(len(normals), GLfloat, normals, self.vertBuff)
self.texCoords = VBOArray(len(texCoords), GLfloat, texCoords, self.vertBuff)
self.colors = VBOArray(len(colors), GLfloat, colors, self.vertBuff)
buffSize = triSize*sizeof(GLuint)
self.facesBuffer = VertexBuffer(buffSize, target = VertexBuffer.ELEMENT_ARRAY_BUFFER)
for triangle in triangles:
vbo = VBOArray(len(triangle.faces), GLuint, triangle.faces, self.facesBuffer)
triangle.faces = vbo
def makeVertexBuffer(self):
self.vertexbuffer = VertexBuffer.MakeStandardVertexBuffer(
vertices=[vec3(*x) for x in self.vertices_gl],
normals=[vec3(*x) for x in self.normals_gl],
tex_coords=ListFunctions.flattenListOfLists(self.texcoord_gl))
self.indexbuffer = VertexBuffer.IndexBufferObject(self.indices_gl)
class Mesh:
class Triangles:
def __init__(self, faces, material):
self.start = min(faces)
self.end = max(faces)
self.material = material
self.faces = faces
self.size = len(faces)
class Geometry:
def __init__(self, vertices, texCoords, faces, tangents = None,
binormal = None, normals = None):
self.vertices = vertices
self.texCoords = texCoords
self.faces = faces
self.tangents = None
self.binormals = None
self.normals = None
def computeTangentSpace(self):
if not self.faces:
return
tbn = MathBase.computeTangentSpace(self.vertices, self.texCoords, self.faces)
self.tangents = tbn[0]
self.binormals = tbn[1]
self.normals = tbn[2]
def toList(self, data):
p = []
if(data):
for i in range(len(data)):
p.extend(data[i])
return p
def __init__(self, geometry, triangles, matrix = Coordinate(), draw_mode = GL_TRIANGLES):
self.vertices = None
self.normals = None
self.texCoords = None
self.colors = None
self.facesBuffer = None
self.triangles = triangles
self.matrix = matrix
self.mode = draw_mode
self.geometry = geometry
self.name = "None"
def init(self):
self.geometry.computeTangentSpace()
vertices = self.geometry.toList(self.geometry.vertices)
texCoords = self.geometry.toList(self.geometry.texCoords)
normals = self.geometry.toList(self.geometry.normals)
colors = (len(vertices))*[1, 1, 1]
#self.matrix4 = (GLfloat *len(self.matrix4))(*self.matrix4)
triSize = len(self.geometry.faces)*3
self.createBuffers(vertices, texCoords, normals, colors, self.triangles, triSize)
def createBuffers(self, vertices, texCoords, normals, colors, triangles, triSize):
buffSize = (len(vertices) + len(normals) + len(texCoords) + len(colors)) * sizeof(GLfloat)
self.vertBuff = VertexBuffer(buffSize)
self.vertices = VBOArray(len(vertices), GLfloat, vertices, self.vertBuff)
self.normals = VBOArray(len(normals), GLfloat, normals, self.vertBuff)
self.texCoords = VBOArray(len(texCoords), GLfloat, texCoords, self.vertBuff)
self.colors = VBOArray(len(colors), GLfloat, colors, self.vertBuff)
buffSize = triSize*sizeof(GLuint)
self.facesBuffer = VertexBuffer(buffSize, target = VertexBuffer.ELEMENT_ARRAY_BUFFER)
for triangle in triangles:
vbo = VBOArray(len(triangle.faces), GLuint, triangle.faces, self.facesBuffer)
triangle.faces = vbo
def renderNonTextured(self, renderDevice):
self.vertices.buffer.enable()
renderDevice.texCoordPointer(self.texCoords.pointer(), [0])
renderDevice.colorPointer(self.colors.pointer())
renderDevice.normalPointer(self.normals.pointer())
renderDevice.vertexPointer(self.vertices.pointer())
self.facesBuffer.enable()
for triangle in self.triangles:
renderDevice.drawRangeElements(self.mode, triangle)
self.vertices.buffer.disable()
self.facesBuffer.disable()
def render(self, renderDevice):
self.vertices.buffer.enable()
renderDevice.texCoordPointer(self.texCoords.pointer(), [0, 1])
renderDevice.colorPointer(self.colors.pointer())
renderDevice.normalPointer(self.normals.pointer())
renderDevice.vertexPointer(self.vertices.pointer())
self.facesBuffer.enable()
for triangle in self.triangles:
renderDevice.configureMaterial(triangle.material)
renderDevice.drawRangeElements(self.mode, triangle)
glDisable(GL_TEXTURE_2D)
self.vertices.buffer.disable()
self.facesBuffer.disable()
def onInit(self):
self.points = [-0.5, -0.5, 0, 0.5, -0.5, 0, 0.0, 0.5, 0]
datablock = VertexBuffer.DataBlock('vertex', self.points)
self.vb = VertexBuffer.VertexBufferObject([datablock])
