Hugging Face's logo

Spaces:
k-l-lambda
/
starry
Sleeping

App Files Community
starry
File size: 4,131 Bytes
2b7aae2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
import { Material } from './Material.js';
import { cloneUniforms } from '../renderers/shaders/UniformsUtils.js';

import default_vertex from '../renderers/shaders/ShaderChunk/default_vertex.glsl.js';
import default_fragment from '../renderers/shaders/ShaderChunk/default_fragment.glsl.js';

/**
 * parameters = {
 *  defines: { "label" : "value" },
 *  uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } },
 *
 *  fragmentShader: <string>,
 *  vertexShader: <string>,
 *
 *  wireframe: <boolean>,
 *  wireframeLinewidth: <float>,
 *
 *  lights: <bool>
 * }
 */

class ShaderMaterial extends Material {
	constructor(parameters) {
		super();

		this.type = 'ShaderMaterial';

		this.defines = {};
		this.uniforms = {};

		this.vertexShader = default_vertex;
		this.fragmentShader = default_fragment;

		this.linewidth = 1;

		this.wireframe = false;
		this.wireframeLinewidth = 1;

		this.fog = false; // set to use scene fog
		this.lights = false; // set to use scene lights
		this.clipping = false; // set to use user-defined clipping planes

		this.extensions = {
			derivatives: false, // set to use derivatives
			fragDepth: false, // set to use fragment depth values
			drawBuffers: false, // set to use draw buffers
			shaderTextureLOD: false, // set to use shader texture LOD
		};

		// When rendered geometry doesn't include these attributes but the material does,
		// use these default values in WebGL. This avoids errors when buffer data is missing.
		this.defaultAttributeValues = {
			color: [1, 1, 1],
			uv: [0, 0],
			uv2: [0, 0],
		};

		this.index0AttributeName = undefined;
		this.uniformsNeedUpdate = false;

		this.glslVersion = null;

		if (parameters !== undefined) {
			if (parameters.attributes !== undefined) {
				console.error('THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.');
			}

			this.setValues(parameters);
		}
	}

	copy(source) {
		super.copy(source);

		this.fragmentShader = source.fragmentShader;
		this.vertexShader = source.vertexShader;

		this.uniforms = cloneUniforms(source.uniforms);

		this.defines = Object.assign({}, source.defines);

		this.wireframe = source.wireframe;
		this.wireframeLinewidth = source.wireframeLinewidth;

		this.lights = source.lights;
		this.clipping = source.clipping;

		this.extensions = Object.assign({}, source.extensions);

		this.glslVersion = source.glslVersion;

		return this;
	}

	toJSON(meta) {
		const data = super.toJSON(meta);

		data.glslVersion = this.glslVersion;
		data.uniforms = {};

		for (const name in this.uniforms) {
			const uniform = this.uniforms[name];
			const value = uniform.value;

			if (value && value.isTexture) {
				data.uniforms[name] = {
					type: 't',
					value: value.toJSON(meta).uuid,
				};
			} else if (value && value.isColor) {
				data.uniforms[name] = {
					type: 'c',
					value: value.getHex(),
				};
			} else if (value && value.isVector2) {
				data.uniforms[name] = {
					type: 'v2',
					value: value.toArray(),
				};
			} else if (value && value.isVector3) {
				data.uniforms[name] = {
					type: 'v3',
					value: value.toArray(),
				};
			} else if (value && value.isVector4) {
				data.uniforms[name] = {
					type: 'v4',
					value: value.toArray(),
				};
			} else if (value && value.isMatrix3) {
				data.uniforms[name] = {
					type: 'm3',
					value: value.toArray(),
				};
			} else if (value && value.isMatrix4) {
				data.uniforms[name] = {
					type: 'm4',
					value: value.toArray(),
				};
			} else {
				data.uniforms[name] = {
					value: value,
				};

				// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far
			}
		}

		if (Object.keys(this.defines).length > 0) data.defines = this.defines;

		data.vertexShader = this.vertexShader;
		data.fragmentShader = this.fragmentShader;

		const extensions = {};

		for (const key in this.extensions) {
			if (this.extensions[key] === true) extensions[key] = true;
		}

		if (Object.keys(extensions).length > 0) data.extensions = extensions;

		return data;
	}
}

ShaderMaterial.prototype.isShaderMaterial = true;

export { ShaderMaterial };