#/usr/bin/env python
# -*- coding: utf-8 -*-
import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *
import time
grid_size = 140
grid_spacing = 1
vertices = (
(1.0, 0.0, -1.0),
(1.0, 0.5, -1.0),
(-1.0, 0.5, -1.0),
(-1.0, 0.0, -1.0),
(1.0, 0.0, 1.0),
(1.0, 1.0, 1.0),
(-1.0, 0.0, 1.0),
(-1.0, 1.0, 1.0)
)
edges = (
(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)
)
def draw_grid():
grid_list = glGenLists(1)
glNewList(grid_list, GL_COMPILE)
glLineWidth(1.3)
glBegin(GL_LINES)
glColor3f(1.0,1.0,1.0)
for x in range(-grid_size, grid_size + 1, grid_spacing):
glVertex3f(x, 0, -grid_size)
glVertex3f(x, 0, grid_size)
for z in range(-grid_size, grid_size + 1, grid_spacing):
glVertex3f(-grid_size, 0, z)
glVertex3f(grid_size, 0, z)
glEnd()
glEndList()
return grid_list
def show_controls():
print("\n--------------------- Controls ---------------------")
print("\nKeyboard Controls:") print(" - Up Arrow: Move forward in the scene") print(" - Down Arrow: Move backward in the scene") print(" - Left Arrow: Move left in the scene") print(" - Right Arrow: Move right in the scene")
print("\nRotation Controls:") print(" - 'T' Key: Rotate the scene clockwise") print(" - 'R' Key: Rotate the scene counterclockwise") print(" - 'Q' Key: Tilt the scene upwards") print(" - 'W' Key: Tilt the scene downwards")
print("\nSpeed Controls:") print(" - 'Z' Key: Increase camera movement speed") print(" - 'X' Key: Decrease camera movement speed") print(" - 'C' Key: Increase figure movement speed") print(" - 'V' Key: Decrease figure movement speed")
print("\nMiscellaneous:") print(" - 'H' Key: Toggle visibility of on-screen data") print(" - 'P' Key: Pause the figure movement") print(" - 'D' Key: Reset speeds to default") print(" - 'L' Key: Restore the view to the original position") print(" - 'ESC' Key: Close the application (close window)")
print("\n----------------------------------------------------")
def Cube():
cube_list = glGenLists(1)
glNewList(cube_list, GL_COMPILE)
glLineWidth(3.0)
glBegin(GL_LINES)
glColor3f(1.0, 0.0, 0.0)
for edge in edges:
for vertex in edge:
glVertex3fv(vertices[vertex])
glEnd()
glBegin(GL_QUADS)
glColor3f(0.0,0.0,1.0)
for surface in surfaces:
for vertex in surface:
glVertex3fv(vertices[vertex])
glEnd()
glEndList()
return cube_list
def drawText(f, x, y, text, c, bgc):
textSurface = f.render(text, True, c, bgc)
textData = pygame.image.tostring(textSurface, "RGBA", True)
glWindowPos2d(x, y)
glDrawPixels(textSurface.get_width(), textSurface.get_height(), GL_RGBA, GL_UNSIGNED_BYTE, textData)
TARGET_FPS = 120.0
def main():
pygame.init()
display = (800, 600)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLEBUFFERS, 1)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLESAMPLES, 6)
pygame.display.set_mode(display, DOUBLEBUF | OPENGL)
glEnable(GL_MULTISAMPLE)
glTranslatef(0.0, 0.0, -10)
glEnable(GL_DEPTH_TEST)
font = pygame.font.SysFont('arial', 15) glRotatef(15, 1, 0, 0)
scale = 1.0
cube_list = Cube()
grid_list = draw_grid()
hide_data = False
show_controls()
rot_x = 15.0
rot_y = 0.0
ROT_SPEED = 60.0
x = 0
z = 0
x_c = 0
z_c = 0
angle = 0
speed = 12.0
speed_c = 12.0
SPEED_STEP = 0.12
running = True
direction = 'front'
clock = pygame.time.Clock()
last_time = time.perf_counter()
while running:
now = time.perf_counter()
dt = abs(min(now - last_time, 0.05))
last_time = now
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_DOWN and direction != "back":
direction = "back"
angle = 180
elif event.key == pygame.K_UP and direction != "front":
direction = "front"
angle = 0
elif event.key == pygame.K_RIGHT and direction != "right":
direction = "right"
angle = -90
elif event.key == pygame.K_LEFT and direction != "left":
direction = "left"
angle = 90
elif event.key == pygame.K_d:
speed = 12.0
speed_c = 12.0
elif event.key == pygame.K_p:
speed_c = 0.0
elif event.key == pygame.K_h:
hide_data = not hide_data
elif event.key == pygame.K_ESCAPE:
running = False
elif event.key == pygame.K_l:
direction = 'front'
x = 0; z = 0
x_c = 0; z_c = 0
angle = 0
scale = 1.0
speed = 12.0
speed_c = 12.0
rot_x = 15.0
rot_y = 0.0
key = pygame.key.get_pressed()
if key[pygame.K_UP]:
z += speed * dt
z_c -= (speed - speed_c) * dt
if key[pygame.K_DOWN]:
z -= speed * dt
z_c += (speed - speed_c) * dt
if key[pygame.K_RIGHT]:
x -= speed * dt
x_c += (speed - speed_c) * dt
if key[pygame.K_LEFT]:
x += speed * dt
x_c -= (speed - speed_c) * dt
if key[pygame.K_a]:
scale += 0.3 * TARGET_FPS * dt
elif key[pygame.K_s]:
scale -= 0.3 * TARGET_FPS * dt
if key[pygame.K_t]:
rot_y -= ROT_SPEED * dt
elif key[pygame.K_r]:
rot_y += ROT_SPEED * dt
if key[pygame.K_q]:
rot_x -= ROT_SPEED * dt
elif key[pygame.K_w]:
rot_x += ROT_SPEED * dt
if key[pygame.K_z]:
speed += SPEED_STEP * TARGET_FPS * dt
elif key[pygame.K_x]:
speed -= SPEED_STEP * TARGET_FPS * dt
if key[pygame.K_c]:
speed_c += SPEED_STEP * TARGET_FPS * dt
elif key[pygame.K_v]:
speed_c -= SPEED_STEP * TARGET_FPS * dt
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glLoadIdentity()
gluPerspective(45, (display[0] / display[1]), 0.1, 90.0)
glTranslatef(0.0, 0.0, -10)
glRotatef(rot_x, 1, 0, 0)
glRotatef(rot_y, 0, 1, 0)
glScalef(scale, scale, scale)
glPushMatrix()
glTranslatef(x, 0.00, z)
glCallList(grid_list)
glPopMatrix()
glPushMatrix()
glTranslatef(x_c, 0.0, z_c)
glRotatef(angle, 0, 1, 0)
glCallList(cube_list)
glPopMatrix()
if not hide_data:
drawText(font, 20, 570, f'DIRECTION: {direction}', (0, 255, 0, 255), (0,0,0)) drawText(font, 20, 550, f'CAMERA SPEED: {speed_c:.3f}',(0, 255, 0, 255), (0,0,0)) drawText(font, 20, 530, f'FIGURE SPEED: {speed:.3f}',(0, 255, 0, 255),(0,0,0))
pygame.display.flip()
clock.tick(120)
glDeleteLists(grid_list, 1)
glDeleteLists(cube_list, 1)
pygame.quit()
main()
