@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
47 lines (46 loc) • 1.86 kB
JavaScript
;
import { ThreeToGl } from "../../../../src/core/ThreeToGl";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { GlConnectionPointType, GlConnectionPoint } from "../utils/io/connections/Gl";
import { BaseSDF2DGlNode } from "./_BaseSDF2D";
import { GlType } from "../../poly/registers/nodes/types/Gl";
const OUTPUT_NAME = "float";
class SDF2DCrossGlParamsConfig extends NodeParamsConfig {
constructor() {
super(...arguments);
this.position = ParamConfig.VECTOR2([0, 0], { hidden: true });
this.center = ParamConfig.VECTOR2([0, 0]);
this.length = ParamConfig.FLOAT(1);
this.width = ParamConfig.FLOAT(0.3);
this.radius = ParamConfig.FLOAT(0, {
range: [-1, 1]
});
}
}
const ParamsConfig = new SDF2DCrossGlParamsConfig();
export class SDF2DCrossGlNode extends BaseSDF2DGlNode {
constructor() {
super(...arguments);
this.paramsConfig = ParamsConfig;
}
static type() {
return GlType.SDF_2D_CROSS;
}
initializeNode() {
super.initializeNode();
this.io.outputs.setNamedOutputConnectionPoints([
new GlConnectionPoint(OUTPUT_NAME, GlConnectionPointType.FLOAT)
]);
}
setLines(shadersCollectionController) {
const position = this.position();
const center = ThreeToGl.vector3(this.variableForInputParam(this.p.center));
const length = ThreeToGl.float(this.variableForInputParam(this.p.length));
const width = ThreeToGl.float(this.variableForInputParam(this.p.width));
const radius = ThreeToGl.float(this.variableForInputParam(this.p.radius));
const float = this.glVarName(OUTPUT_NAME);
const bodyLine = `float ${float} = sdCross(${position} - ${center}, vec2(${length}, ${width}), ${radius})`;
shadersCollectionController.addBodyLines(this, [bodyLine]);
this._addSDF2DMethods(shadersCollectionController);
}
}