/*
 *  PointArray.cpp
 *  iphone-gl-app
 *
 *  Created by John Ryland on 16/06/09.
 *  Copyright 2009 InvertedLogic. All rights reserved.
 *
 */

#include "Debug.h"
#include <math.h>
#include "PointArray.h"


PointArray::PointArray() : List<PointF>()
{
}


PointArray::PointArray(int size)
{
	for (int i = 0; i < size; i++)
		(*this) += PointF(0,0);
}


PointArray::~PointArray()
{
}


void PointArray::translate(float x, float y)
{
	foreach (PointF &item, (*this))
		item.translate(x, y);
}


void PointArray::rotate(float r)
{
	float s = ::sin(r);
	float c = ::cos(r);
	foreach (PointF &item, (*this))
		// A nieve implementation of "item.rotate(r);" would recalculate sin and cos every point
		item = PointF(item.x * c - item.y * s, item.x * s + item.y * c);
}


void PointArray::scale(float x, float y)
{
	foreach (PointF &item, (*this))
		item.scale(x, y);
}