BaseFrame2.hx

BaseFrame2.hx

package hxmath.frames;
import hxmath.math.Matrix2x2;
import hxmath.math.Matrix3x2;
import hxmath.math.Vector2;

/**
 * An abstract 2D affine frame that can be extended without carrying over all the variables of the full Frame2 class.
 */
class BaseFrame2
{
    // The associated affine transformation matrix. The private variable holds the cached/last calculated matrix.
    public var matrix(get, never):Matrix3x2;
    
    // The associated linear transformation matrix
    public var linearMatrix(get, never):Matrix2x2;
    
    // The offset between the origin and the outer frame
    public var offset(get, set):Vector2;
    
    // The angle by which the frame is rotated about the origin
    public var angleDegrees(get, set):Float;
    
    /**
     * Constructor. Private to avoid direct instantiation (should be used as a base class only).
     */
    private function new() 
    {
    }
    
    private function get_matrix():Matrix3x2
    {
        throw "Unimplemented";
    }
    
    private inline function get_linearMatrix():Matrix2x2
    {
        return matrix.linearSubMatrix;
    }
    
    private function get_offset():Vector2
    {
        throw "Unimplemented";
    }
    
    private function set_offset(offset:Vector2):Vector2
    {
        throw "Unimplemented";
    }
    
    private function get_angleDegrees():Float
    {
        throw "Unimplemented";
    }
    
    private function set_angleDegrees(angleDegrees:Float):Float
    {
        throw "Unimplemented";
    }
}