Why do I not draw triangles?
from pyglet.gl import * from ctypes import * window = pyglet.window.Window() vertex_data = [ -1, 1, 0, -1, -1, 0, 1, 1, 0, 1, -1, 0 ] vertex_data_gl = (GLfloat * len(vertex_data))(*vertex_data) vbo = GLuint(0) color_data = [ 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] color_data_gl = (GLfloat * len(color_data))(*color_data) cbo = GLuint(0) indices = [0, 1, 2, 2, 1, 3] indices_gl = (GLfloat * len(indices))(*indices) ibo = GLuint(0) #Активация вершинного буфера glGenBuffers(1, vbo) glBindBuffer(GL_ARRAY_BUFFER, vbo) glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data_gl), vertex_data_gl, GL_STATIC_DRAW) glBindBuffer(GL_ARRAY_BUFFER, vbo) #Активация буфера цветов glGenBuffers(1, cbo) glBindBuffer(GL_ARRAY_BUFFER, cbo) glBufferData(GL_ARRAY_BUFFER, sizeof(color_data_gl), color_data_gl, GL_STATIC_DRAW) glBindBuffer(GL_ARRAY_BUFFER, 0) #Активация буфера индексов glGenBuffers(1, ibo) glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo) glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices_gl), indices_gl, GL_STATIC_DRAW) glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) #Отрисовка glEnableClientState(GL_VERTEX_ARRAY) glBindBuffer(GL_ARRAY_BUFFER, vbo) glVertexPointer(3, GL_FLOAT, 0, 0) glEnableClientState(GL_COLOR_ARRAY) glBindBuffer(GL_ARRAY_BUFFER, cbo) glColorPointer(3, GL_FLOAT, 0, 0) glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo) #glDrawArrays(GL_TRIANGLES, 0, len(vertex_data_gl)) glDrawElements(GL_TRIANGLES, len(indices), GL_UNSIGNED_BYTE, 0) glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0) glDisableClientState(GL_VERTEX_ARRAY) glDisableClientState(GL_COLOR_ARRAY) pyglet.app.run() 