You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
819 B
54 lines
819 B
( function () {
|
|
|
|
/**
|
|
* Blend two textures
|
|
*/
|
|
|
|
const BlendShader = {
|
|
uniforms: {
|
|
'tDiffuse1': {
|
|
value: null
|
|
},
|
|
'tDiffuse2': {
|
|
value: null
|
|
},
|
|
'mixRatio': {
|
|
value: 0.5
|
|
},
|
|
'opacity': {
|
|
value: 1.0
|
|
}
|
|
},
|
|
vertexShader: /* glsl */`
|
|
|
|
varying vec2 vUv;
|
|
|
|
void main() {
|
|
|
|
vUv = uv;
|
|
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
|
|
|
|
}`,
|
|
fragmentShader: /* glsl */`
|
|
|
|
uniform float opacity;
|
|
uniform float mixRatio;
|
|
|
|
uniform sampler2D tDiffuse1;
|
|
uniform sampler2D tDiffuse2;
|
|
|
|
varying vec2 vUv;
|
|
|
|
void main() {
|
|
|
|
vec4 texel1 = texture2D( tDiffuse1, vUv );
|
|
vec4 texel2 = texture2D( tDiffuse2, vUv );
|
|
gl_FragColor = mix( texel1, texel2, mixRatio );
|
|
gl_FragColor.a *= opacity;
|
|
|
|
}`
|
|
};
|
|
|
|
THREE.BlendShader = BlendShader;
|
|
|
|
} )();
|
|
|