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.
34 lines
625 B
34 lines
625 B
import TempNode from '../core/TempNode.js';
|
|
import { ShaderNode, uv, add, mul, floor, mod, sign } from '../shadernode/ShaderNodeBaseElements.js';
|
|
|
|
const checkerShaderNode = new ShaderNode( ( inputs ) => {
|
|
|
|
const uv = mul( inputs.uv, 2.0 );
|
|
|
|
const cx = floor( uv.x );
|
|
const cy = floor( uv.y );
|
|
const result = mod( add( cx, cy ), 2.0 );
|
|
|
|
return sign( result );
|
|
|
|
} );
|
|
|
|
class CheckerNode extends TempNode {
|
|
|
|
constructor( uvNode = uv() ) {
|
|
|
|
super( 'float' );
|
|
|
|
this.uvNode = uvNode;
|
|
|
|
}
|
|
|
|
generate( builder ) {
|
|
|
|
return checkerShaderNode.call( { uv: this.uvNode } ).build( builder );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export default CheckerNode;
|
|
|