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.
23 lines
589 B
23 lines
589 B
import TempNode from '../core/TempNode.js';
|
|
import { vec2, vec3, negate, normalize, cross, dot, mul, add, transformedNormalView, positionViewDirection } from '../shadernode/ShaderNodeBaseElements.js';
|
|
|
|
class MatcapUVNode extends TempNode {
|
|
|
|
constructor() {
|
|
|
|
super( 'vec2' );
|
|
|
|
}
|
|
|
|
construct() {
|
|
|
|
const x = normalize( vec3( positionViewDirection.z, 0, negate( positionViewDirection.x ) ) );
|
|
const y = cross( positionViewDirection, x );
|
|
|
|
return add( mul( vec2( dot( x, transformedNormalView ), dot( y, transformedNormalView ) ), 0.495 ), 0.5 );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export default MatcapUVNode;
|
|
|