使用 PyOpenGL,我正在尝试创建一个简单的三角形,该三角形在每次刷新调用时都会改变颜色,并且我正在尝试使用 glutTimerFunc(...) 来执行此操作。
from OpenGL.GL import *
from OpenGL.GLUT import *
from OpenGL.GLU import *
import random
def display(value):
v1 = [-.25,0]
v2 = [0,.25]
v3 = [.25, 0]
r = random.randint(0,255)
g = random.randint(0,255)
b = random.randint(0,255)
glClear(GL_COLOR_BUFFER_BIT)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(-1,1,-1,1,-1,1)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glBegin(GL_TRIANGLES)
glColor3b(r,g,b)
glVertex2f(v1[0], v1[1])
glVertex2f(v2[0], v2[1])
glVertex2f(v3[0], v3[1])
glEnd()
glFlush()
glutTimerFunc(1000, display, 5)
glutPostRedisplay()
if __name__ == '__main__':
glutInit()
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB)
glutInitWindowSize(500,500)
glutCreateWindow("First Shape")
glutDisplayFunc(display)
glutMainLoop()
这是我得到的错误......
Traceback (most recent call last):
File "_ctypes/callbacks.c", line 232, in 'calling callback function'
TypeError: display() missing 1 required positional argument: 'value'
我尝试传递“值”并将其放在 display() 的参数列表中,但没有成功。