Update to use new sdf-2d API

src/helper/circle.ts

@@ -0,0 +1,13 @@
+import { vec2 } from 'gl-matrix';
+
+export class Circle {
+  constructor(public center: vec2, public radius: number) {}
+
+  public distance(target: vec2): number {
+    return vec2.distance(this.center, target) - this.radius;
+  }
+
+  public distanceBetween(target: Circle): number {
+    return vec2.distance(target.center, this.center) - this.radius - target.radius;
+  }
+}

src/helper/rgb.ts

@@ -1,3 +0,0 @@
-import { vec3 } from 'gl-matrix';
-
-export const rgb = (r: number, g: number, b: number): vec3 => vec3.fromValues(r, g, b);

src/helper/rgb255.ts

@@ -1,4 +0,0 @@
-import { vec3 } from 'gl-matrix';
-
-export const rgb255 = (r: number, g: number, b: number): vec3 =>
-  vec3.fromValues(r / 255, g / 255, b / 255);

src/helper/rgba.ts

@@ -1,4 +0,0 @@
-import { vec4 } from 'gl-matrix';
-
-export const rgba = (r: number, g: number, b: number, a: number): vec4 =>
-  vec4.fromValues(r, g, b, a);

src/helper/rgba255.ts

@@ -1,4 +0,0 @@
-import { vec4 } from 'gl-matrix';
-
-export const rgba255 = (r: number, g: number, b: number, a: number): vec4 =>
-  vec4.fromValues(r / 255, g / 255, b / 255, a / 255);