43 lines
781 B
JavaScript
43 lines
781 B
JavaScript
|
import TempNode from '../core/TempNode.js';
|
||
|
|
import { uv } from '../accessors/UVNode.js';
|
||
|
|
import { addNodeClass } from '../core/Node.js';
|
||
|
|
import { addNodeElement, tslFn, nodeProxy } from '../shadernode/ShaderNode.js';
|
||
|
|
|
||
|
|
const checkerShaderNode = tslFn( ( inputs ) => {
|
||
|
|
|
||
|
|
const uv = inputs.uv.mul( 2.0 );
|
||
|
|
|
||
|
|
const cx = uv.x.floor();
|
||
|
|
const cy = uv.y.floor();
|
||
|
|
const result = cx.add( cy ).mod( 2.0 );
|
||
|
|
|
||
|
|
return result.sign();
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
class CheckerNode extends TempNode {
|
||
|
|
|
||
|
|
constructor( uvNode = uv() ) {
|
||
|
|
|
||
|
|
super( 'float' );
|
||
|
|
|
||
|
|
this.uvNode = uvNode;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
setup() {
|
||
|
|
|
||
|
|
return checkerShaderNode( { uv: this.uvNode } );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
export default CheckerNode;
|
||
|
|
|
||
|
|
export const checker = nodeProxy( CheckerNode );
|
||
|
|
|
||
|
|
addNodeElement( 'checker', checker );
|
||
|
|
|
||
|
|
addNodeClass( 'CheckerNode', CheckerNode );
|