|
| 1 | +import moderngl |
| 2 | +from moderngl_window import WindowConfig, run_window_config |
| 3 | +from moderngl_window.geometry import sphere |
| 4 | +from pyrr import Matrix44, Vector3 |
| 5 | +import numpy as np |
| 6 | +import pmma |
| 7 | + |
| 8 | +pmma.init() |
| 9 | + |
| 10 | +noise = pmma.Perlin() |
| 11 | +color = pmma.ColorConverter() |
| 12 | + |
| 13 | +class SphereGrid(WindowConfig): |
| 14 | + title = "3D Sphere Grid" |
| 15 | + window_size = (1280, 720) |
| 16 | + aspect_ratio = 16 / 9 |
| 17 | + resource_dir = "." |
| 18 | + |
| 19 | + # Grid size |
| 20 | + GRID_SIZE = 20 |
| 21 | + SPHERE_SCALE = 0.3 # Adjust to scale the spheres |
| 22 | + GRID_SPACING = 3 # Space between spheres |
| 23 | + |
| 24 | + def __init__(self, **kwargs): |
| 25 | + super().__init__(**kwargs) |
| 26 | + self.prog = self.ctx.program( |
| 27 | + vertex_shader=""" |
| 28 | + #version 330 |
| 29 | + uniform mat4 model; |
| 30 | + uniform mat4 view; |
| 31 | + uniform mat4 projection; |
| 32 | + in vec3 in_position; |
| 33 | + in vec3 in_normal; |
| 34 | + out vec3 normal; |
| 35 | +
|
| 36 | + void main() { |
| 37 | + gl_Position = projection * view * model * vec4(in_position, 1.0); |
| 38 | + normal = in_normal; |
| 39 | + } |
| 40 | + """, |
| 41 | + fragment_shader=""" |
| 42 | + #version 330 |
| 43 | + in vec3 normal; |
| 44 | + out vec4 fragColor; |
| 45 | + uniform vec3 top_shape_color; |
| 46 | + uniform vec3 bottom_shape_color; |
| 47 | + uniform float y_value; |
| 48 | +
|
| 49 | + float max_value = 10; |
| 50 | +
|
| 51 | + void main() { |
| 52 | + fragColor = vec4(mix(top_shape_color, bottom_shape_color, y_value/max_value), 1.0); |
| 53 | + } |
| 54 | + """ |
| 55 | + ) |
| 56 | + |
| 57 | + # Create a sphere geometry object |
| 58 | + self.sphere = sphere(radius=1.0, sectors=32, rings=32) |
| 59 | + self.camera_distance = 20.0 |
| 60 | + self.camera_angle = 0.0 |
| 61 | + |
| 62 | + # Store grid positions |
| 63 | + self.grid_positions = [ |
| 64 | + [ |
| 65 | + Vector3([ |
| 66 | + (i - self.GRID_SIZE / 2) * self.GRID_SPACING, |
| 67 | + 0.0, |
| 68 | + (j - self.GRID_SIZE / 2) * self.GRID_SPACING |
| 69 | + ]) |
| 70 | + for j in range(self.GRID_SIZE) |
| 71 | + ] |
| 72 | + for i in range(self.GRID_SIZE) |
| 73 | + ] |
| 74 | + |
| 75 | + def render(self, time, frametime): |
| 76 | + self.ctx.clear(0, 0, 0) |
| 77 | + self.ctx.enable(moderngl.DEPTH_TEST) |
| 78 | + |
| 79 | + # Create a rotating camera |
| 80 | + self.camera_angle += frametime |
| 81 | + cam_x = self.camera_distance * np.sin(self.camera_angle) |
| 82 | + cam_z = self.camera_distance * np.cos(self.camera_angle) |
| 83 | + camera_position = Vector3([cam_x, self.camera_distance * 0.5, cam_z]) |
| 84 | + look_at = Vector3([0.0, 0.0, 0.0]) |
| 85 | + up = Vector3([0.0, 1.0, 0.0]) |
| 86 | + |
| 87 | + view = Matrix44.look_at(camera_position, look_at, up) |
| 88 | + projection = Matrix44.perspective_projection(45.0, self.aspect_ratio, 0.1, 100.0) |
| 89 | + |
| 90 | + self.prog["view"].write(view.astype("f4")) |
| 91 | + self.prog["projection"].write(projection.astype("f4")) |
| 92 | + |
| 93 | + self.prog["top_shape_color"] = color.generate_color_from_perlin_noise(value=pmma.get_application_run_time()/5, format=pmma.Constants.SMALL_RGB) # Set the color of the spheres |
| 94 | + self.prog["bottom_shape_color"] = color.generate_color_from_perlin_noise(value=-pmma.get_application_run_time()/5, format=pmma.Constants.SMALL_RGB) # Set the color of the spheres |
| 95 | + |
| 96 | + # Draw the grid of spheres |
| 97 | + for i in range(self.GRID_SIZE): |
| 98 | + for j in range(self.GRID_SIZE): |
| 99 | + x, y, z = self.grid_positions[i][j] |
| 100 | + # Example: make spheres bounce in a sine wave |
| 101 | + self.grid_positions[i][j] = Vector3([ |
| 102 | + x, |
| 103 | + noise.generate_2D_perlin_noise(x=(x / 25)+pmma.get_application_run_time(), y=(z / 25)+pmma.get_application_run_time(), new_range=[0, 10]), |
| 104 | + z]) |
| 105 | + |
| 106 | + self.prog["y_value"] = self.grid_positions[i][j].y |
| 107 | + |
| 108 | + position = self.grid_positions[i][j] |
| 109 | + model = Matrix44.from_translation(position) @ Matrix44.from_scale( |
| 110 | + [self.SPHERE_SCALE] * 3 |
| 111 | + ) |
| 112 | + self.prog["model"].write(model.astype("f4")) |
| 113 | + self.sphere.render(self.prog) |
| 114 | + |
| 115 | + |
| 116 | +if __name__ == "__main__": |
| 117 | + run_window_config(SphereGrid) |
0 commit comments