class meshFromArray(meshWithRender):
def __init__(self, vertex_array, color_array):
self.vertex_data = vertex_array
self.color_data = color_array
def loadShader(self):
self.shader = Shader()
self.shader.initShaderFromGLSL(["glsl/tu01/vertex.glsl"],
["glsl/tu01/fragment.glsl"])
self.MVP_ID = glGetUniformLocation(self.shader.program, "MVP")
def loadObject(self):
self.vertexbuffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, self.vertexbuffer)
glBufferData(GL_ARRAY_BUFFER,
len(self.vertex_data) * 4,
(GLfloat * len(self.vertex_data))(*self.vertex_data),
GL_STATIC_DRAW)
self.vertexLen = len(self.vertex_data)
self.colorbuffer = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, self.colorbuffer)
glBufferData(GL_ARRAY_BUFFER,
len(self.color_data) * 4,
(GLfloat * len(self.color_data))(*self.color_data),
GL_STATIC_DRAW)
def loadTexture(self):
self.texture = None
def rendering(self, MVP, View, Projection):
self.shader.begin()
glUniformMatrix4fv(self.MVP_ID, 1, GL_FALSE, glm.value_ptr(MVP))
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, self.vertexbuffer)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, None)
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, self.colorbuffer)
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, None)
glDrawArrays(GL_TRIANGLES, 0, self.vertexLen)
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
self.shader.end()
class Draw2DText(meshWithRender):
def __init__(self, text_str, x, y, Xsize, Ysize):
(self.text_str, self.x, self.y, self.Xsize,
self.Ysize) = (text_str, x, y, Xsize, Ysize)
def loadShader(self):
self.shader = Shader()
self.shader.initShaderFromGLSL(
["glsl/tu09/TextVertexShader.vertexshader.glsl"],
["glsl/tu09/TextVertexShader.fragmentshader.glsl"])
self.HALFSCREENSIZE_ID = glGetUniformLocation(self.shader.program,
"HALFSCREENSIZE")
self.Texture_ID = glGetUniformLocation(self.shader.program,
"myTextureSampler")
def loadObject(self):
vertex_array = []
uv_array = []
lineCount = 0
for line in self.text_str:
for idx in range(0, len(line)):
xoffset = idx * self.Xsize
yoffset = lineCount * self.Ysize
vertex_up_left = [
self.x + xoffset, self.y + yoffset + self.Ysize
]
vertex_up_right = [
self.x + xoffset + self.Xsize,
self.y + yoffset + self.Ysize
]
vertex_down_right = [
self.x + xoffset + self.Xsize, self.y + yoffset
]
vertex_down_left = [self.x + xoffset, self.y + yoffset]
vertex_array = vertex_array + vertex_up_left + vertex_down_left + vertex_up_right
vertex_array = vertex_array + vertex_down_right + vertex_up_right + vertex_down_left
character = ord(line[idx])
uv_x = (character % 16) / 16.0
uv_y = (character / 16) / 16.0
uv_up_left = [uv_x, uv_y]
uv_up_right = [uv_x + 1.0 / 16.0, uv_y]
uv_down_right = [uv_x + 1.0 / 16.0, uv_y + 1.0 / 16.0]
uv_down_left = [uv_x, uv_y + 1.0 / 16.0]
uv_array = uv_array + uv_up_left + uv_down_left + uv_up_right
uv_array = uv_array + uv_down_right + uv_up_right + uv_down_left
lineCount += 1
self.vertexbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.vertexbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
len(vertex_array) * 4,
(GLfloat * len(vertex_array))(*vertex_array),
GL_STATIC_DRAW)
self.uvbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.uvbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
len(uv_array) * 4, (GLfloat * len(uv_array))(*uv_array),
GL_STATIC_DRAW)
self.vertex_array = vertex_array
def loadTexture(self):
from utils.textureLoader import textureLoader
texture = textureLoader("resources/tu09/Holstein.DDS")
self.texturebuffer = texture.textureGLID
def rendering(self, MVP, View, Projection):
self.shader.begin()
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.texturebuffer)
glUniform1i(self.Texture_ID, 0)
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, self.vertexbuffer)
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, None)
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, self.uvbuffer)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, None)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glDrawArrays(GL_TRIANGLES, 0, len(self.vertex_array))
glDisable(GL_BLEND)
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
self.shader.end()
class meshFromObj(meshWithRender):
def __init__(self, meshName, textureName, location=[0.0, 0.0, 0.0]):
self.meshName = meshName
self.textureName = textureName
self.location = location
def loadShader(self):
self.shader = Shader()
self.shader.initShaderFromGLSL(["glsl/tu02/vertex.glsl"],
["glsl/tu02/fragment.glsl"])
self.MVP_ID = glGetUniformLocation(self.shader.program, "MVP")
self.OFFSET_ID = glGetUniformLocation(self.shader.program, "OFFSET")
self.Texture_ID = glGetUniformLocation(self.shader.program,
"myTextureSampler")
def loadObject(self):
from utils.objLoader import objLoader
model = objLoader(self.meshName).to_single_index_style()
self.model = model
self.vertexbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.vertexbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
len(model.vertexs) * 4,
(GLfloat * len(model.vertexs))(*model.vertexs),
GL_STATIC_DRAW)
self.indicesbufferSize = len(model.indices)
self.indicesbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.indicesbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
len(model.indices) * 2,
(GLushort * len(model.indices))(*model.indices),
GL_STATIC_DRAW)
def loadTexture(self):
from utils.textureLoader import textureLoader
texture = textureLoader(self.textureName)
model = self.model
if (texture.inversedVCoords):
for index in range(0, len(model.texcoords)):
if (index % 2):
model.texcoords[index] = 1.0 - model.texcoords[index]
self.texturebuffer = texture.textureGLID
self.uvbuffer = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.uvbuffer)
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
len(model.texcoords) * 4,
(GLfloat * len(model.texcoords))(*model.texcoords),
GL_STATIC_DRAW)
def rendering(self, MVP, View, Projection):
self.shader.begin()
glUniformMatrix4fv(self.MVP_ID, 1, GL_FALSE, glm.value_ptr(MVP))
glUniform3f(self.OFFSET_ID, self.location[0], self.location[1],
self.location[2])
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, self.texturebuffer)
glUniform1i(
self.Texture_ID,
0) #// Set "myTextureSampler" sampler to use Texture Unit 0
glEnableVertexAttribArray(0)
glBindBuffer(GL_ARRAY_BUFFER, self.vertexbuffer)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, None)
glEnableVertexAttribArray(1)
glBindBuffer(GL_ARRAY_BUFFER, self.uvbuffer)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, None)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.indicesbuffer)
glDrawElements(
GL_TRIANGLES, # mode
self.indicesbufferSize, #// count
GL_UNSIGNED_SHORT, # // type
None #// element array buffer offset
)
glDisableVertexAttribArray(0)
glDisableVertexAttribArray(1)
self.shader.end()