package toolbox;

import org.atriaSoft.etk.math.Matrix4f;
import org.atriaSoft.etk.math.Vector3f;

import entities.Camera;

public class Maths {

	public static Matrix4f createTransformationMatrix(Vector3f translation, Vector3f rotation, float scale) {
		// Need to rework all of this this is really not optimum ...
		Matrix4f matrix = new Matrix4f();
		matrix.setIdentity();
		matrix.translate(translation);
		matrix.rotate(new Vector3f(1,0,0), rotation.x);
		matrix.rotate(new Vector3f(0,1,0), rotation.y);
		matrix.rotate(new Vector3f(0,0,1), rotation.z);
		matrix.scale(scale);
		return matrix;
	}
	public static Matrix4f createViewMatrix(Camera camera) {
		// Need to rework all of this this is really not optimum ...
		Matrix4f matrix = new Matrix4f();
		matrix.setIdentity();
		matrix.rotate(new Vector3f(1,0,0), camera.getPitch());
		matrix.rotate(new Vector3f(0,1,0), camera.getYaw());
		//matrix.rotate(new Vector3f(0,0,1), camera.getRoll());
		Vector3f camarePos = camera.getPosition();
		matrix.translate(new Vector3f(-camarePos.x,-camarePos.y,-camarePos.z));
		return matrix;
	}
}