@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
31 lines (30 loc) • 1.18 kB
JavaScript
;
import { FunctionGLDefinition } from "./utils/GLDefinition";
import { TypedGlNode } from "./_Base";
import { ThreeToGl } from "../../../../src/core/ThreeToGl";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import SDFMethodsCommon from "./gl/raymarching/sdfCommon.glsl";
import SDFMethods2D from "./gl/raymarching/sdf2D.glsl";
const VARS = {
position: "p.xy"
};
class BaseSDF2DGlParamsConfig extends NodeParamsConfig {
constructor() {
super(...arguments);
this.position = ParamConfig.VECTOR2([0, 0]);
}
}
export class BaseSDF2DGlNode extends TypedGlNode {
position() {
const inputPosition = this.io.inputs.named_input(this.p.position.name());
const position = inputPosition ? ThreeToGl.vector2(this.variableForInputParam(this.p.position)) : this._defaultPosition();
return position;
}
_defaultPosition() {
return VARS.position;
}
_addSDF2DMethods(shadersCollectionController) {
shadersCollectionController.addDefinitions(this, [new FunctionGLDefinition(this, SDFMethodsCommon)]);
shadersCollectionController.addDefinitions(this, [new FunctionGLDefinition(this, SDFMethods2D)]);
}
}