我在这里学习了一个教程:https://www.youtube.com/watch?v=M_Hx0g5vFko 我按照他的教程完成了它(除了在屏幕上显示轴的部分)。 我遇到了一个问题,我在 y 轴(左和右)上自由移动和旋转似乎有效。但出于某种原因,当我旋转 x 轴(上下)时,它似乎旋转了全局 x 轴而不是相机 x 轴。
这里是相机的完整代码:
import pygame as pg
from matrix_functions import *
class Camera:
def __init__(self, render, position):
self.render = render
self.position = np.array([*position, 1.0])
self.right = np.array([1, 0, 0, 1])
self.up = np.array([0, 1, 0, 1])
self.forward = np.array([0, 0, 1, 1])
self.h_fov = math.pi / 3
self.v_fov = self.h_fov * (render.HEIGHT / render.WIDTH)
self.near_plane = 0.1
self.far_plane = 100
self.move_speed = 0.02
self.rotation_speed = 0.02
def camera_yaw(self, angle):
rotate = rotate_y(angle)
self.forward = self.forward @ rotate
self.right = self.right @ rotate
self.up = self.up @ rotate
def camera_pitch(self, angle):
rotate = rotate_x(angle)
self.forward = self.forward @ rotate
self.right = self.right @ rotate
self.up = self.up @ rotate
def control(self):
key = pg.key.get_pressed()
if key[pg.K_d]:
self.position += self.right * self.move_speed
if key[pg.K_a]:
self.position -= self.right * self.move_speed
if key[pg.K_w]:
self.position += self.forward * self.move_speed
if key[pg.K_s]:
self.position -= self.forward * self.move_speed
if key[pg.K_q]:
self.position += self.up * self.move_speed
if key[pg.K_e]:
self.position -= self.up * self.move_speed
if key[pg.K_LEFT]:
self.camera_yaw(-self.rotation_speed)
if key[pg.K_RIGHT]:
self.camera_yaw(self.rotation_speed)
if key[pg.K_UP]:
self.camera_pitch(-self.rotation_speed)
if key[pg.K_DOWN]:
self.camera_pitch(self.rotation_speed)
def translate_matrix(self):
x, y, z, w = self.position
return np.array([
[1, 0, 0, 0],
[0, 1, 0, 1],
[0, 0, 1, 0],
[-x, -y, -z, 1]
])
def rotate_matrix(self):
rx, ry, rz, w = self.right
fx, fy, fz, w = self.forward
ux, uy, uz, w = self.up
return np.array([
[rx, ux, fx, 0],
[ry, uy, fy, 0],
[rz, uz, fz, 0],
[0, 0, 0, 1]
])
def camera_matrix(self):
return self.translate_matrix() @ self.rotate_matrix()
有什么办法可以解决这个问题吗?