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m_engine.py
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m_engine.py
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import glfw
import numpy as np
from OpenGL.GL import *
import ctypes
import pyrr
import shaderloader
from PIL import Image
from math import sin
import textureloader
import time
import threading
from objloader import *
def showfps():
title = ("FPS : {0:.0f}".format(1/(time.time()-t1)))
glfw.set_window_title (window, title)
def main(instance_array,a,b,c):
back = a+b+c
global window
global t1
if not glfw.init():
return
w_width, w_height = 1280, 720
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR,3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR,2)
glfw.window_hint(glfw.OPENGL_PROFILE,glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
window = glfw.create_window(w_width, w_height, "test",None,None)
if not window:
glfw.terminate()
return
glfw.make_context_current(window)
cube = [-0.5, -0.5, 0.5, 0.0, 0.0,
0.5, -0.5, 0.5, 1.0, 0.0,
0.5, 0.5, 0.5, 1.0, 1.0,
-0.5, 0.5, 0.5, 0.0, 1.0,
-0.5, -0.5, -0.5, 0.0, 0.0,
0.5, -0.5, -0.5, 1.0, 0.0,
0.5, 0.5, -0.5, 1.0, 1.0,
-0.5, 0.5, -0.5, 0.0, 1.0,
0.5, -0.5, -0.5, 0.0, 0.0,
0.5, 0.5, -0.5, 1.0, 0.0,
0.5, 0.5, 0.5, 1.0, 1.0,
0.5, -0.5, 0.5, 0.0, 1.0,
-0.5, 0.5, -0.5, 0.0, 0.0,
-0.5, -0.5, -0.5, 1.0, 0.0,
-0.5, -0.5, 0.5, 1.0, 1.0,
-0.5, 0.5, 0.5, 0.0, 1.0,
-0.5, -0.5, -0.5, 0.0, 0.0,
0.5, -0.5, -0.5, 1.0, 0.0,
0.5, -0.5, 0.5, 1.0, 1.0,
-0.5, -0.5, 0.5, 0.0, 1.0,
0.5, 0.5, -0.5, 0.0, 0.0,
-0.5, 0.5, -0.5, 1.0, 0.0,
-0.5, 0.5, 0.5, 1.0, 1.0,
0.5, 0.5, 0.5, 0.0, 1.0]
cube = np.array(cube, dtype=np.float32)
indices = [ 0, 1, 2, 2, 3, 0,
4, 5, 6, 6, 7, 4,
8, 9, 10, 10, 11, 8,
12, 13, 14, 14, 15, 12,
16, 17, 18, 18, 19, 16,
20, 21, 22, 22, 23, 20]
indices = np.array(indices, dtype=np.uint32)
VAO = glGenVertexArrays(1)
glBindVertexArray(VAO)
shader = shaderloader.compile_shader("second.vs","second.fs")
VBO = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER,VBO)
glBufferData(GL_ARRAY_BUFFER,cube.itemsize*len(cube),cube,GL_STATIC_DRAW)
EBO = glGenBuffers(1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.itemsize * len(indices), indices, GL_STATIC_DRAW)
glVertexAttribPointer(0,3,GL_FLOAT,GL_FALSE,cube.itemsize * 5,ctypes.c_void_p(0))
glEnableVertexAttribArray(0)
glVertexAttribPointer(1,2,GL_FLOAT,GL_FALSE,cube.itemsize * 5,ctypes.c_void_p(12))
glEnableVertexAttribArray(1)
offset=1
instance_array = np.array(instance_array,np.float32).flatten()
instanceVBO = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER,instanceVBO)
glBufferData(GL_ARRAY_BUFFER,instance_array.itemsize*len(instance_array),instance_array,GL_STATIC_DRAW)
glVertexAttribPointer(2,3,GL_FLOAT,GL_FALSE,0,ctypes.c_void_p(0))
glEnableVertexAttribArray(2)
glVertexAttribDivisor(2,1)
crate = textureloader.load_texture("crate.jpg")
brick = textureloader.load_texture("brick.jpg")
metal = textureloader.load_texture("metal.jpg")
sq = textureloader.load_texture("sq.jpg")
red = textureloader.load_texture("red.jpg")
concrete = textureloader.load_texture("concrete-2.jpg")
glUseProgram(shader)
glClearColor(0.2,0.3,0.2,1.0)
glEnable(GL_DEPTH_TEST)
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL)
view = pyrr.matrix44.create_from_translation(pyrr.Vector3([0,0,0]))
projection = pyrr.matrix44.create_perspective_projection_matrix(45.0,w_width/w_height,0.1,10000.0)
model = pyrr.matrix44.create_from_translation(pyrr.Vector3([0,-20,-1.5*back]))
vp = pyrr.matrix44.multiply(view,projection)
vp_loc = glGetUniformLocation(shader,"vp")
model_loc= glGetUniformLocation(shader,"model")
glUniformMatrix4fv(model_loc,1,GL_FALSE,model)
glBindTexture(GL_TEXTURE_2D, concrete)
glUniformMatrix4fv(vp_loc,1,GL_FALSE,vp)
t1 = time.time()
while not glfw.window_should_close(window):
t1 = time.time()
glfw.poll_events()
rot_x = pyrr.Matrix44.from_x_rotation(0.1 *glfw.get_time())
rot_y = pyrr.Matrix44.from_y_rotation(0.2 *glfw.get_time())
rot_z = pyrr.Matrix44.from_z_rotation(0.0 *glfw.get_time())
rot = pyrr.matrix44.multiply(rot_x, rot_y)
rot = pyrr.matrix44.multiply(rot, rot_z)
rot = pyrr.matrix44.multiply(rot, model)
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
glUniformMatrix4fv(model_loc, 1, GL_FALSE,rot)
glDrawElementsInstanced(GL_TRIANGLES,len(indices),GL_UNSIGNED_INT,None,len(instance_array))
glfw.swap_buffers(window)
showfps()
glfw.terminate()
if __name__ == "__main__":
main()