Fix lights

src/drawables/lights/light-drawable.ts

@@ -0,0 +1,26 @@
+import { mat2d, vec2, vec3 } from 'gl-matrix';
+import { Drawable } from '../../main';
+
+export class LightDrawable extends Drawable {
+  protected lightnessRatio = 1;
+
+  constructor(public center: vec2, public color: vec3, public intensity: number) {
+    super();
+  }
+
+  public setLightnessRatio(ratio: number) {
+    this.lightnessRatio = ratio;
+  }
+
+  public minDistance(target: vec2): number {
+    return vec2.dist(this.center, target);
+  }
+
+  protected getObjectToSerialize(transform2d: mat2d, transform1d: number): any {
+    return {
+      center: vec2.transformMat2d(vec2.create(), this.center, transform2d),
+      color: this.color,
+      intensity: this.intensity * this.lightnessRatio,
+    };
+  }
+}