所以,我是PyOpenGL的新手,我想制作一个简单的3D游戏。
我创建了一个较大的立方体(应代表玩家)和一个较小的立方体(应代表敌人)。我需要一个能够左右移动的球员,并且需要敌人从前线来。问题在于它们处于同一位置。
我正在使用glTranslatef(x, y, z)
来移动玩家,但敌人会移动到与玩家相同的位置。
这是我的代码:
import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import*
class display:
def __init__(self, width, height, window):
self.width = width
self.height = height
self.window = window
def update(self):
pygame.display.flip()
pygame.time.wait(10)
def clear(self):
glClearColor(0.15, 0.15, 0.15, 1)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
display = display(800, 600, pygame.display.set_mode((800, 600), DOUBLEBUF|OPENGL))
class player:
def __init__(self, vertices, edges):
self.vertices = vertices
self.edges = edges
def begin(self):
glTranslatef(0.0, -5.0, -12.0)
glRotatef(20, 1, 0.0, 0.0)
def move(self):
self.k_press = pygame.key.get_pressed()
if self.k_press[pygame.K_LEFT]:
glTranslatef(-0.2, 0, 0)
if self.k_press[pygame.K_RIGHT]:
glTranslatef(0.2, 0, 0)
def draw(self):
glBegin(GL_LINES)
for edge in player.edges:
for vertex in edge:
glVertex3fv(player.vertices[vertex])
glEnd()
player = player(
((1, -1, -1), (1, 1, -1), (-1, 1, -1), (-1, -1, -1), (1, -1, 1), (1, 1, 1), (-1, -1, 1), (-1, 1, 1)),
((0, 1), (0, 3), (0, 4), (2, 1), (2, 3), (2, 7), (6, 3), (6, 4), (6, 7), (5, 1), (5, 4), (5, 7))
)
class enemy:
def __init__(self, vertices, edges):
self.vertices = vertices
self.edges = edges
def draw(self):
glBegin(GL_LINES)
for edge in enemy.edges:
for vertex in edge:
glVertex3fv(enemy.vertices[vertex])
glEnd()
enemy = enemy(
((0.5, -0.5, -0.5), (0.5, 0.5, -0.5), (-0.5, 0.5, -0.5), (-0.5, -0.5, -0.5), (0.5, -0.5, 0.5), (0.5, 0.5, 0.5), (-0.5, -0.5, 0.5), (-0.5, 0.5, 0.5)),
((0, 1), (0, 3), (0, 4), (2, 1), (2, 3), (2, 7), (6, 3), (6, 4), (6, 7), (5, 1), (5, 4), (5, 7))
)
gluPerspective(70, (display.width/display.height), 0.1, 50.0)
player.begin()
game_over = False
while not game_over:
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
display.clear()
player.move()
player.draw()
enemy.draw()
display.update()
pygame.quit()
现在,我只希望敌人和玩家在不处于同一位置的情况下移动。无论如何,谢谢您的帮助!
首先使用glMatrixMode
区分投影矩阵和模型矩阵。投影矩阵应设置为当前投影矩阵,视图矩阵应设置为当前模型视图矩阵。
glMatrixMode
此设置将允许以后更改视角。
可以通过每个对象的模型矩阵来实现场景中每个对象的单独运动,动画和位置。在绘制对象之前存储当前模型视图矩阵,并在通过# set projection matrix
glMatrixMode(GL_PROJECTION)
gluPerspective(70, (display.width/display.height), 0.1, 50.0)
# set view matrix
glMatrixMode(GL_MODELVIEW)
glTranslatef(0.0, -5.0, -12.0)
glRotatef(20, 1, 0.0, 0.0)
game_over = False
while not game_over:
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
display.clear()
player.move()
player.draw()
enemy.draw()
display.update()
绘制对象之后恢复该矩阵视图矩阵。这样可以为每个对象设置一个单独的位置。将对象的当前位置存储在属性(glPushMatrix
/glPopMatrix
)中。操作glPushMatrix
中的位置(例如glPopMatrix
),然后在绘制对象之前将模型平移矩阵乘以当前模型视图矩阵(self.pos = [0, 0, 0]
)。例如:
move
self.pos[0] -= 0.2