import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
/**
 * This method return the correct default rotation
 * of a card depending on the group
 * @since   v0.7
 * @param   viewCard    the viewCard object
 * @return  the default z hard rotation and the default transform y rotation
 */
public Vec3d getCardDefaultRotation(@NotNull ViewCard viewCard) {
    Vec3d rotation = new Vec3d(0, 0, 0);
    if (viewCardToGroup.get(viewCard) == hands[0] || viewCardToGroup.get(viewCard) == hands[1]
            || viewCardToGroup.get(viewCard) == hands[2] || viewCardToGroup.get(viewCard) == hands[3])
    {
        double yAngle = -(Math.asin(ViewCard.getDepth() / (ViewCard.getWidth() - MARGIN_BETWEEN_HAND_CARDS)))*(180/Math.PI);
        switch (gameModel.getPlayerHandler().getPlayerCardinalPoint((Hand)
                getCardGroupFromGroup(viewCardToGroup.get(viewCard))))
        {
            case North:
                rotation.set(0,yAngle,180);
                break;
            case West:
                rotation.set(0,yAngle,90);
                break;
            case South:
                rotation.set(0,yAngle,0);
                break;
            case East:
                rotation.set(0,yAngle,270);
                break;
        }
    }
    return rotation;
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public void lookAt(Vec3d centre, Vec3d up) {

        final Vec3d f = new Vec3d(), s = new Vec3d(), u = new Vec3d();
        final Vec3d t = new Vec3d(), eye = new Vec3d();
        
        eye.set( matrix.getTx(), matrix.getTy(), matrix.getTz());

        f.set(eye);
        f.sub(centre);
        f.normalize();

        up.normalize();

        t.set(f);
        s.cross(t,up);
        s.normalize();

        t.set(s);
        u.cross(f,t);
        u.normalize();
      
        matrix.setMxx( -s.x);	matrix.setMxy( u.x);	matrix.setMxz( -f.x);
        matrix.setMyx( -s.y);    matrix.setMyy( u.y);    matrix.setMyz( -f.y);
        matrix.setMzx( -s.z);    matrix.setMzy( u.z);    matrix.setMzz( -f.z);
    }
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d unProjectDirection(double sceneX, double sceneY, double sWidth, double sHeight) {
	double tanHFov = Math.tan(Math.toRadians(camera.getFieldOfView()) * 0.5f);
	Vec3d vMouse = new Vec3d(2 * sceneX / sWidth - 1, 2 * sceneY / sWidth - sHeight / sWidth, 1);
	vMouse.x *= tanHFov;
	vMouse.y *= tanHFov;

	Vec3d result = localToSceneDirection(vMouse, new Vec3d());
	result.normalize();
	return result;
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d localToScene(Vec3d pt, Vec3d result) {
	Point3D res = camera.localToParentTransformProperty().get().transform(pt.x, pt.y, pt.z);
	if (camera.getParent() != null) {
		res = camera.getParent().localToSceneTransformProperty().get().transform(res);
	}
	result.set(res.getX(), res.getY(), res.getZ());
	return result;
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d unProjectDirection(double sceneX, double sceneY, double sWidth, double sHeight) {
    double tanHFov = Math.tan(Math.toRadians(camera.getFieldOfView()) * 0.5f);
    Vec3d vMouse = new Vec3d(2*sceneX/sWidth-1, 2*sceneY/sWidth-sHeight/sWidth, 1);
    vMouse.x *= tanHFov;
    vMouse.y *= tanHFov;

    Vec3d result = localToSceneDirection(vMouse, new Vec3d());
    result.normalize();
    return result;
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d localToScene(Vec3d pt, Vec3d result) {
    Point3D res = camera.localToParentTransformProperty().get().transform(pt.x, pt.y, pt.z);
    if (camera.getParent() != null) {
        res = camera.getParent().localToSceneTransformProperty().get().transform(res);
    }
    result.set(res.getX(), res.getY(), res.getZ());
    return result;
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d localToSceneDirection(Vec3d dir, Vec3d result) {
	localToScene(dir, result);
	result.sub(localToScene(new Vec3d(0, 0, 0), new Vec3d()));
	return result;
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public void setColor(double r, double g, double b) {
    setColor(new Vec3d(r, g, b));
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d getPosition() {
	return new Vec3d(matrix.getTx(),matrix.getTy(),matrix.getTz());
}
 

import com.sun.javafx.geom.Vec3d; //导入依赖的package包/类
public Vec3d localToSceneDirection(Vec3d dir, Vec3d result) {
    localToScene(dir, result);
    result.sub(localToScene(new Vec3d(0, 0, 0), new Vec3d()));
    return result;
}