Scape Invaders - Tony

gistfile1.cpp

// Space Invaders Project.cpp : Defines the entry point for the application.
// Author:
// ID:
// Version:
// Date: 17 Feb 2012
// Description:

#include "stdafx.h"
#include "gwin.h"

const int drawsPerFlight = 100;

class position
{
public:
int x;
int y;
int dx;
int dy;
position();

};

class vector
{
public: 
position start;
position end;
position offset;
position drawpos[100];
};
position::position()
{
}




class playership
{
public:
vector vec;
position pos;
playership();

void drawPlayer(GWindow &Gwin);
void move(GWindow &Gwin);
void moveLeft();
void moveRight();
void moveUp();
void moveDown();
void shoot(GWindow &Gwin);
private:
int speed;
GSprite ship;
GImage image1;
};

//class bullet
//{
//public:
//	vector vec;
//	position pos;
//	bullet();
//
//	void drawBullet(GWindow &Gwin);
//private:
//	GSprite bullets;
//	GImage image2;
//
//};



int main()
{
GWindow Gwin;
// Clear the Gwin window
bool quitting = false;
playership Myplayership;
/*bullet Mybullet;*/

while(!quitting)
{
if(Keyboard.isPressed(GwinKeyNames::CURSOR_RIGHT))
{
Myplayership.moveRight();
}
if(Keyboard.isPressed(GwinKeyNames::CURSOR_LEFT))
{
Myplayership.moveLeft();
}
if(Keyboard.isPressed(GwinKeyNames::CURSOR_UP))
{
Myplayership.moveUp();
}
if(Keyboard.isPressed(GwinKeyNames::CURSOR_DOWN))
{

Myplayership.moveDown();
}


Myplayership.move(Gwin);
Gwin.clear(BLACK);
Myplayership.drawPlayer(Gwin);



//if(Keyboard.isPressed(GwinKeyNames::SPACE))
//{
//	Mybullet.drawBullet(Gwin);
//	Myplayership.shoot(Gwin);
//}
Gsleep(20);
Gwin.refresh();

}

Gwin.refresh();
Gsleep(1000);

// Wait for a key to be pressed
Keyboard.waitKey();

return 0;
}


playership::playership()
{
image1.loadImage("playership.png");
image1.resize(40,40);//Appropriate scale of image.
ship.attachImage(&image1);//add playership image to sprite image list 
ship.setAnimationFrameTime(20);
pos.x = 280; //strating position of playership
pos.y = 400; //playership at bottom of the screen 
pos.dx = 0; //update position - added to x so increment position.
speed = 6;

}

void playership::drawPlayer(GWindow &Gwin)
{
ship.x = pos.x;
ship.y = pos.y;
ship.update(); //updates animation 
ship.render(); //draws sprite on screen
}


void playership::move(GWindow &Gwin)
{
if(pos.x<=0)
{
pos.x = 0;//stops playership going off the screen(left)
}

if(pos.x>= Gwin.getWidth()-40)
{
pos.x = Gwin.getWidth();
pos.x = pos.x - 40;//stops playership going off the screen(right)
}
if(pos.y<=0)
{
pos.y=0;//stops playership going off the screen(top)
}
if(pos.y>=Gwin.getHeight()-40)
{
pos.y=Gwin.getHeight();
pos.y=pos.y-40;//stops playership going off the screen(bottom)
}	
}

void playership::moveRight()
{
pos.dx = speed;//dx moves to right, increment by 2.
pos.x = pos.x + pos.dx;
}


void playership::moveLeft()
{
pos.dx = -speed; //dx becomes minus 2, moving playership left.
pos.x = pos.x + pos.dx;
}
void playership::moveUp()
{
pos.dy = -6;
pos.y = pos.y + pos.dy;
}
void playership::moveDown()
{
pos.dy = 6;
pos.y = pos.y + pos.dy;
}



//
//bullet::bullet()
//{
//	image2.loadImage("bullet.png");
//	bullets.attachImage(&image2);
//	bullets.setAnimationFrameTime(20);
//}
//
//void bullet::drawBullet(GWindow &Gwin)
//{
//	vec.start.x = pos.x + 20;
//	bullets.x = vec.start.x;
//
//	vec.start.y = pos.y;
//	bullets.y = vec.start.y;
//
//	vec.end.x = pos.x + 20;
//	bullets.x = vec.end.x;
//
//	vec.end.y = -10;
//	bullets.y = vec.end.y;
//
//	bullets.update();
//	bullets.render();
//}
//void playership::shoot(GWindow &Gwin)
//{
//	//calculating offset
//	vec.offset.x = ((vec.start.x - vec.end.x) / 100);
//	vec.offset.y = ((vec.start.y - vec.end.y) / 100);
//
//	//Calculating whole path
//	for(int i = 0; i<drawsPerFlight; i++)
//	{
//	 vec.drawpos[i].x = vec.start.x - vec.offset.x;
//	 vec.drawpos[i].y = vec.start.y - (vec.offset.y * i);
//	}
//
//	for(int i = 0; i<drawsPerFlight; i++)
//	{
//
//
//
//	}
//}