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added Camera setPosition and lookAt methods

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therabbitwindfall
2012-07-15 02:10:41 +03:00
parent dbfc1863e0
commit 4b1f6a74de
1 changed files with 23 additions and 0 deletions
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23
src/alternativa/engine3d/core/Camera3D.as
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@@ -406,6 +406,29 @@ public class Camera3D extends Object3D {
occluders.length = 0;
context3D = null;
}
/**
* Setup Camera3D position using x, y, z coordinates
*/
public function setPosition(x:Number, y:Number, z:Number):void{
this.x = x;
this.y = y;
this.z = z;
}
/**
* Camera3D lookAt method
*/
public function lookAt(x:Number, y:Number, z:Number):void{
var deltaX:Number = x - this.x;
var deltaY:Number = y - this.y;
var deltaZ:Number = z - this.z;
var rotX = Math.atan2(deltaZ, Math.sqrt(deltaX * deltaX + deltaY * deltaY));
rotationX = rotX - 0.5 * Math.PI;
rotationY = 0;
rotationZ = - Math.atan2(deltaX,deltaY);
}
/**
* @private