three 基础库
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import { TempNode } from '../core/TempNode.js';
import { FunctionNode } from '../core/FunctionNode.js';
const REMAP_SRC = `
float remap( float value, float inLow, float inHigh, float outLow, float outHigh ) {
float x = ( value - inLow ) / ( inHigh - inLow );
return outLow + ( outHigh - outLow ) * x;
}
vec2 remap( vec2 value, vec2 inLow, vec2 inHigh, vec2 outLow, vec2 outHigh ) {
return vec2(
remap( value.x, inLow.x, inHigh.x, outLow.x, outHigh.x ),
remap( value.y, inLow.y, inHigh.y, outLow.y, outHigh.y )
);
}
vec2 remap( vec2 value, float inLow, float inHigh, float outLow, float outHigh ) {
return vec2(
remap( value.x, inLow, inHigh, outLow, outHigh ),
remap( value.y, inLow, inHigh, outLow, outHigh )
);
}
vec3 remap( vec3 value, vec3 inLow, vec3 inHigh, vec3 outLow, vec3 outHigh ) {
return vec3(
remap( value.x, inLow.x, inHigh.x, outLow.x, outHigh.x ),
remap( value.y, inLow.y, inHigh.y, outLow.y, outHigh.y ),
remap( value.z, inLow.z, inHigh.z, outLow.z, outHigh.z )
);
}
vec3 remap( vec3 value, float inLow, float inHigh, float outLow, float outHigh ) {
return vec3(
remap( value.x, inLow, inHigh, outLow, outHigh ),
remap( value.y, inLow, inHigh, outLow, outHigh ),
remap( value.z, inLow, inHigh, outLow, outHigh )
);
}
vec4 remap( vec4 value, vec4 inLow, vec4 inHigh, vec4 outLow, vec4 outHigh ) {
return vec4(
remap( value.x, inLow.x, inHigh.x, outLow.x, outHigh.x ),
remap( value.y, inLow.y, inHigh.y, outLow.y, outHigh.y ),
remap( value.z, inLow.z, inHigh.z, outLow.z, outHigh.z ),
remap( value.w, inLow.w, inHigh.w, outLow.w, outHigh.w )
);
}
vec4 remap( vec4 value, float inLow, float inHigh, float outLow, float outHigh ) {
return vec4(
remap( value.x, inLow, inHigh, outLow, outHigh ),
remap( value.y, inLow, inHigh, outLow, outHigh ),
remap( value.z, inLow, inHigh, outLow, outHigh ),
remap( value.w, inLow, inHigh, outLow, outHigh )
);
}
`.trim();
class RemapNode extends TempNode {
constructor( value, inLow, inHigh, outLow, outHigh ) {
super( 'f' );
this.value = value;
this.inLow = inLow;
this.inHigh = inHigh;
this.outLow = outLow;
this.outHigh = outHigh;
}
generate( builder, output ) {
const remap = builder.include( RemapNode.Nodes.remap );
return builder.format( remap + '( ' + [
this.value.build( builder ),
this.inLow.build( builder ),
this.inHigh.build( builder ),
this.outLow.build( builder ),
this.outHigh.build( builder ),
].join( ', ' ) + ' )', this.getType( builder ), output );
}
getType( builder ) {
return this.value.getType( builder );
}
copy( source ) {
super.copy( source );
this.value = source.value;
this.inLow = source.inLow;
this.inHigh = source.inHigh;
this.outLow = source.outLow;
this.outHigh = source.outHigh;
}
toJSON( meta ) {
let data = this.getJSONNode( meta );
if ( ! data ) {
data = this.createJSONNode( meta );
data.value = this.value.toJSON( meta ).uuid;
data.inLow = this.inLow.toJSON( meta ).uuid;
data.inHigh = this.inHigh.toJSON( meta ).uuid;
data.outLow = this.outLow.toJSON( meta ).uuid;
data.outHigh = this.outHigh.toJSON( meta ).uuid;
}
return data;
}
}
RemapNode.prototype.nodeType = 'Remap';
RemapNode.Nodes = ( function () {
return {
remap: new FunctionNode( REMAP_SRC )
};
} )();
export { RemapNode };