【发布时间】：2020-12-30 03:53:44
【问题描述】：
我正在关注 pyOpenGL 上相当古老的教程系列，并且我正在按照他的方式进行操作。但是我遇到了延迟——我有 AMD FX-6300 和 8gb 内存，GTX-1050ti 并且文件存储在闪存驱动器上。我读过一些使用glBegin 和glEnd 会导致问题的地方？我应该改用什么以及如何在这段代码中使用：
import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *
import random
"""
- A Cube has 8 Nodes/Verticies
- 12 Lines/connections
- 6 Sides
"""
vertices = (
(1, -1, -1),
(1, 1, -1),
(-1, 1, -1),
(-1, -1, -1),
(1, -1, 1),
(1, 1, 1),
(-1, -1, 1),
(-1, 1, 1)
)
edges = ( #Contains vertexes/nodes
(0, 1),
(0, 3),
(0, 4),
(2, 1),
(2, 3),
(2, 7),
(6, 3),
(6, 4),
(6, 7),
(5, 1),
(5, 4),
(5, 7)
)
surfaces = (
(0,1,2,3),
(3,2,7,6),
(6,7,5,4),
(4,5,1,0),
(1,5,7,2),
(4,0,3,6),
)
colors = (
(1,0,0),
(0,1,0),
(0,0,1),
(0,0,0,),
(1,1,1),
(0,1,1),
(1,0,0),
(0,1,0),
(0,0,1),
(0,0,0,),
(1,1,1),
(0,1,1),
)
def set_vertices(max_distance):
#Create change between each cube
x_value_change = random.randrange(-10, 10)
y_value_change = random.randrange(-10, 10)
z_value_change = random.randrange(-1 * max_distance, -20)
new_vertices = []
for vert in vertices:
new_vert = []
new_x = vert[0] + x_value_change
new_y = vert[1] + y_value_change
new_z = vert[2] + z_value_change
new_vert.append(new_x)
new_vert.append(new_y)
new_vert.append(new_z)
new_vertices.append(new_vert) #Appends (1, 1, 1)
return new_vertices
def Cube(veritces):
glBegin(GL_QUADS)
for surface in surfaces:
x = 0
for vertex in surface:
x += 1
glColor3fv((colors[x]))
glVertex3fv(vertices[vertex])
glEnd()
glBegin(GL_LINES)
for edge in edges:
for vertex in edge:
glVertex3fv(vertices[vertex]) #Draws vertex's in position given according to vertices array
glEnd()
def main():
pygame.init()
display = (1000, 800)
pygame.display.set_mode(display, DOUBLEBUF|OPENGL)
gluPerspective(45, (display[0]/display[1]), 0.1, 50.0) #FOV, aspect ratio. clipping plane min, max
glTranslatef(random.randrange(-5, 5), random.randrange(-5, 5), -40) #X,Y,Z -5 to zoom out on z axis
#glRotatef(25, 1, 20, 0) #Degrees, x,y,z
object_passed = False
max_distance = 300
cube_dict = {}
for x in range(75): #Draws 75 cubes
cube_dict[x] = set_vertices(max_distance) #Returns a new cube set of vertices
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x_move = 0.3
if event.key == pygame.K_RIGHT:
x_move = -0.3
if event.key == pygame.K_UP:
y_move = -0.3
if event.key == pygame.K_DOWN:
y_move = 0.3
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
x_move = 0
if event.key == pygame.K_UP or event.key == pygame.K_DOWN:
y_move = 0
"""
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 4:
glTranslatef(0, 0, 1)
if event.button == 5:
glTranslatef(0, 0, -1)
"""
#glRotatef(1, 1, 1, 1)
x = glGetDoublev(GL_MODELVIEW_MATRIX)
camera_x = x[3][0] #Access camera cordinates
camera_y = x[3][1]
camera_z = x[3][2]
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT) #Clears the screen
glTranslatef(x_move, y_move, 0.5)
for each_cube in cube_dict:
Cube(cube_dict[each_cube])
pygame.display.flip() #Cant use update
pygame.time.wait(10)
main()
pygame.quit()
quit()
教程是here
谢谢！！
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标签： python pygame lag pyopengl