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// Module: RectangleClass.h
// Project: CIS023_F2016_Lab_14 Montana Burr
// Developer: Montana Burr
// Date: December 8, 2016
// Purpose: Header file for RectangleClass
#pragma once
class RectangleClass
{
public:
RectangleClass();
void Draw(HWND, HDC); // Draws rectangle on main window.
~RectangleClass();
RectangleClass *nextNode; // Next rectangle in linked list
private:
POINT pLocation; // Initial location of rectangle.
POINT pSize; // Size of rectangle.
COLORREF color; // Color of rectangle.
int direction; // Direction of animation.
int speed; // Speed of animation.
};
// Module: RectangleClass.cpp
// Project: CIS023_F2016_Lab_14 Montana Burr
// Developer: Montana Burr
// Date: December 8, 2016
// Purpose: Defines functions for RectangleClass class
#include "stdafx.h"
#include "RectangleClass.h"
RectangleClass::RectangleClass()
{
// Seed the random number generator with the current time.
srand(time(NULL));
// Initialize member variables to random values.
pLocation.x = rand() % 100 + 1;
pLocation.y = rand() % 100 + 1;
pSize.x = rand() % 100 + 1;
pSize.y = rand() % 100 + 1;
int red = rand() % 255;
int green = rand() % 255;
int blue = rand() % 255;
color = RGB(red, green, blue);
speed = rand() % 20 + 10;
direction = rand() % 7;
nextNode = nullptr;
}
void RectangleClass::Draw(HWND mainWindow, HDC hdc)
{
// Get the rectangle that contains the window.
RECT rClient;
GetWindowRect(mainWindow,&rClient);
// Animate pLocation
switch (direction)
{
case UP:
{
// Move rectangle up
pLocation.y -= speed;
if (pLocation.y <= rClient.top)
// Bounce rectangle off top border of window
direction = DOWN;
};
break;
case DOWN:
{
// Move rectangle down.
pLocation.y += speed;
if (pLocation.y + pSize.y >= rClient.bottom)
// Bounce rectangle off bottom border of window
direction = UP;
};
break;
case LEFT:
{
// Move rectangle to the left.
pLocation.x -= speed;
if (pLocation.x <= rClient.left)
// Bounce rectangle off left border of window
direction = RIGHT;
};
break;
case RIGHT:
{
// Move rectangle to the right.
pLocation.x += speed;
if (pLocation.x + pSize.x >= rClient.right)
// Bounce rectangle off right border of window
direction = LEFT;
};
break;
case UPLEFT:
{
// Move rectangle up and to the left.
pLocation.y -= speed;
pLocation.x -= speed;
if (pLocation.y <= rClient.top)
// Bounce rectangle off top border of window
direction = DOWNLEFT;
else if (pLocation.x <= rClient.left)
// Bounce rectangle off left border of window
direction = UPRIGHT;
};
break;
case UPRIGHT:
{
// Move rectangle up and to the right.
pLocation.y -= speed;
pLocation.x += speed;
if (pLocation.x >= rClient.right)
// Bounce rectangle off right border of window
direction = UPLEFT;
else if (pLocation.y <= rClient.top)
// Bounce rectangle off top border of window
direction = DOWNRIGHT;
};
break;
case DOWNLEFT:
{
// Move rectangle down and to the left.
pLocation.y += speed;
pLocation.x -= speed;
if (pLocation.y + pSize.y >= rClient.bottom)
// Bounce rectangle off bottom border of window
direction = UPLEFT;
else if (pLocation.x <= rClient.left)
// Bounce rectangle off left border of window
direction = DOWNRIGHT;
};
break;
case DOWNRIGHT:
{
// Move rectangle down and to the right.
pLocation.y += speed;
pLocation.x -= speed;
if (pLocation.y + pSize.y >= rClient.bottom)
// Bounce rectangle off bottom border of window.
direction = UPRIGHT;
if (pLocation.x + pSize.x <= rClient.right)
// Bounce rectangle off right border of window.
direction = DOWNLEFT;
};
break;
default:
break;
}
// Draw the rectangle.
RECT mainRectangle = { pLocation.x, pLocation.y, pSize.x + pLocation.x, pSize.y + pLocation.y };
HBRUSH brush = CreateSolidBrush(color); // Set fill color of rectangle.
HPEN pen = CreatePen(PS_SOLID, 1, color);
SelectObject(hdc, pen); // Select pen for drawing border.
FillRect(hdc, &mainRectangle, brush);
}
RectangleClass::~RectangleClass()
{
}
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