Heaps: Dragging object in 3D space

HeapsDrag.hx

import h3d.col.Point;
import h3d.shader.ColorAdd;
import h3d.scene.fwd.DirLight;
import hxd.Event;
import hxd.fmt.grd.Data;

class HeapsDrag extends hxd.App {

	var rnd : hxd.Rand;
	var light : h3d.scene.fwd.DirLight;
	var obj : h3d.scene.Object;
	var b : h2d.Interactive;
	var shadow :h3d.pass.DefaultShadowMap;

	function initInteraction( i : h3d.scene.Interactive, m : h3d.scene.Object ) {
		var color =  0xccffcc; 
		var originalPos:Point;
		var heldObject:h3d.scene.Object;
		var originalCameraPos:h3d.Vector;
		i.bestMatch = true;
		i.onOver = function(e : hxd.Event) {
			trace("over");
		};
		i.onMove = i.onCheck = function(e:hxd.Event) {
			// trace("move:"+e.toString()); // EMove[-5,-22]  or  ECheck[-18,-41]
			if(heldObject == m){
				m.x = originalPos.x + e.relX;
				m.y = originalPos.y + e.relY;
				// m.z = originalPos.z + e.relZ;
				s3d.camera.pos = originalCameraPos;
			}
		};
		
		i.onPush = function (e:hxd.Event){
			// trace("modelx:"+m.x+" eventX:"+e.relX);
			
			trace("modelx:"+m.x+" modely:"+m.y+" modelz:"+m.z);
			 //EPush[-5,-31],button=0
			heldObject = m;
			originalCameraPos = s3d.camera.pos;
			originalPos = new Point(m.x-e.relX ,m.y-e.relY ,m.z-e.relZ );
		};
		i.onRelease  = function (e:hxd.Event){
			// trace("release:"+e.toString());
			heldObject = null;
			originalCameraPos = null;
			originalPos = null;
		};
	}

	override function init() {
		light = new h3d.scene.fwd.DirLight(new h3d.Vector( 0.3, -0.4, -0.9), s3d);
		light.enableSpecular = true;
		light.color.set(0.28, 0.28, 0.28);

		s3d.lightSystem.ambientLight.set(0.74, 0.74, 0.74);
		s3d.lightSystem.ambientLight.setColor(0x909090);

		new h3d.scene.fwd.DirLight(new h3d.Vector( 0.3, -0.4, -0.9), s3d);

		var cache = new h3d.prim.ModelCache();
		obj = cache.loadModel(hxd.Res.C1C28FS_fbx);
		// obj.scale(1);//or (1/5)
		// obj.rotate(0,0,Math.PI / 2);
		obj.x = 0;
		obj.y = 0;
		obj.z = 0;
		
		s3d.addChild(obj);

		var int = new h3d.scene.Interactive(obj.getCollider(),s3d);

		initInteraction(int,obj);

		s3d.camera.target.set(0, 0, 0);
		s3d.camera.pos.set(20, 20, 280);


		shadow = s3d.renderer.getPass(h3d.pass.DefaultShadowMap);
		shadow.size = 2048;
		shadow.power = 200;
		shadow.blur.radius= 0;
		shadow.bias *= 0.1;
		shadow.color.set(0.7, 0.7, 0.7);

		s3d.camera.zNear = 1;
		s3d.camera.zFar = 100;
		new h3d.scene.CameraController(5, s3d).loadFromCamera();
		onResize();
	}

	override function onResize() {
	}

	override function update(dt:Float) {
		// obj.rotate(0, 0, 0.12 * dt);
	}


	static function main() {
		hxd.Res.initEmbed();
		new HeapsDrag();
	}
}