Fix of unset check and new removeConstraint function

b-g · Mar 13, 2023 · 31590fc · 31590fc
1 parent ce2fa7e
commit 31590fc
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/classes/Block.js b/classes/Block.js
@@ -148,6 +148,19 @@ class Block extends BlockCore {
     return contraint;
   }
 
+  /**
+   * Remove a constraint of this block to another block.
+   * @param {contraint} constraint
+   * @memberof Block
+   */
+  removeConstraint(contraint) {
+    const idx = this.constraints.indexOf(constraint)
+    if (idx > -1) {
+      this.constraints.splice(idx, 1)
+      Matter.World.remove(constraint)
+    }
+  }
+
   /**
    * Adds a block to an internal collisions array, to check whether this block colides with another block
    * @param {block} block

diff --git a/classes/PolygonFromSVG.js b/classes/PolygonFromSVG.js
@@ -83,7 +83,7 @@ class PolygonFromSVG extends Block {
 
   addBodyVertices(vertices) {
     this.body = Matter.Bodies.fromVertices(0, 0, Matter.Vertices.scale(vertices, this.attributes.scale, this.attributes.scale), this.options);
-    if (this.attributes.x) {
+    if (typeof this.attributes.x !== undefined) {
       Matter.Body.setPosition(this.body, this.attributes);
     } else {
       Matter.Body.setPosition(this.body, this.getCenter(vertices));