Three.js? ?? ??? ?? ??? '??'? ???? ? ????
Three.js??? ??? ???? ??? ?????? ? ????. ??:
- ?? ??: ? ??? ?? ? ?? ??? ??????? ?? ??? ???? ?? ??????. ?? ????? ShaderMaterial? ???? ?? ??? ???? ??? ?? ???? ??? ? ????.
??? ?? ??? ???? ???? ????.
// Vertex shader
varying vec3 vWorldPosition;
void main() {
vWorldPosition = (modelMatrix * vec4(position, 1.0)).xyz;
gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
}
// Fragment shader
uniform vec3 cameraPosition;
uniform float scattering;
uniform float extinction;
uniform float turbidity;
varying vec3 vWorldPosition;
void main() {
vec3 rayDirection = normalize(vWorldPosition - cameraPosition);
vec3 attenuation = exp(-scattering * extinction * rayDirection.y * vWorldPosition.y);
vec3 scatteringColor = attenuation * vec3(0.2, 0.5, 1.0);
vec3 extinctionColor = vec3(0.0, 0.0, 0.0);
gl_FragColor = vec4(scatteringColor + extinctionColor, 1.0);
}
- ?? ??: ? ??? ??? ??? ???? ???? ??? ??? ?? ??? ????????. ?? ?? VertexDisplacementShader? ???? ??? ???? ??? ?? ???? ??? ? ????.
??? ?? ??? ???? ???? ????.
// Vertex shader
uniform float time;
uniform float amplitude;
uniform float frequency;
varying vec3 vWorldPosition;
void main() {
vec3 noise = vec3(perlinNoise(vWorldPosition * frequency));
vec3 displacement = noise * amplitude;
vWorldPosition = (modelMatrix * vec4(position + displacement, 1.0)).xyz;
gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
}
// Fragment shader
void main() {
gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
}
By ??? ??? ???? Three.js?? ???? ????? ??? ? ????.
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