Added rotateToVelocity to Arcade Physics component. Issue #179

gamelab · Feb 16, 2015 · b7710ab · b7710ab
1 parent d772d25
commit b7710ab
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Showing 5 changed files with 53 additions and 8 deletions.
diff --git a/build/kiwi.d.ts b/build/kiwi.d.ts
@@ -6137,6 +6137,13 @@ declare module Kiwi.Components {
         */
         parent: Kiwi.Entity;
         /**
+        * Sets the parents rotation to be equal to the trajectory of the velocity of the physics component.
+        * @method rotateToVelocity
+        * @return { Number }
+        * @public
+        */
+        rotateToVelocity(): number;
+        /**
         * A static method for seperating two normal GameObjects on both the X and Y Axis's.
         * Both objects need to have both an ArcadePhysics Component and a Box component in order for the separate process to succeed.
         * This method is not recommended to be directly used but instead use a 'collide/overlaps' method instead.

diff --git a/build/kiwi.js b/build/kiwi.js
@@ -8658,6 +8658,17 @@ var Kiwi;
                 this._callbackFunction = callbackFunction;
                 this._callbackContext = callbackContext;
             };
+            /**
+            * Sets the parents rotation to be equal to the trajectory of the velocity of the physics component.
+            * @method rotateToVelocity
+            * @return { Number }
+            * @public
+            */
+            ArcadePhysics.prototype.rotateToVelocity = function () {
+                var result = Math.atan2(this.velocity.y, this.velocity.x);
+                this.transform.rotation = result;
+                return result;
+            };
             /*
             *---------------
             * Seperation Code

diff --git a/build/kiwi.min.js b/build/kiwi.min.js
diff --git a/src/components/ArcadePhysics.ts b/src/components/ArcadePhysics.ts
@@ -326,6 +326,22 @@ module Kiwi.Components {
 		*/
 		public parent: Kiwi.Entity;
 
+		/**
+		* Sets the parents rotation to be equal to the trajectory of the velocity of the physics component. 
+		* @method rotateToVelocity
+		* @return { Number }
+		* @public
+		*/
+		public rotateToVelocity (): number {
+
+			var result: number = Math.atan2( this.velocity.y, this.velocity.x );
+
+			this.transform.rotation = result;
+
+			return result;
+
+		}
+
 
 		/*
 		*---------------

diff --git a/templateGame/lib/kiwi.js b/templateGame/lib/kiwi.js
@@ -8658,6 +8658,17 @@ var Kiwi;
                 this._callbackFunction = callbackFunction;
                 this._callbackContext = callbackContext;
             };
+            /**
+            * Sets the parents rotation to be equal to the trajectory of the velocity of the physics component.
+            * @method rotateToVelocity
+            * @return { Number }
+            * @public
+            */
+            ArcadePhysics.prototype.rotateToVelocity = function () {
+                var result = Math.atan2(this.velocity.y, this.velocity.x);
+                this.transform.rotation = result;
+                return result;
+            };
             /*
             *---------------
             * Seperation Code