bool BeamShotM::DoesColideWithPlayer( const GameUnit& x, const GameUnit& y, const GameUnit& radius )
{
Circle c;
c.SetCenterX( x.GetFloat() );
c.SetCenterY( y.GetFloat() );
c.SetRadius( radius.GetFloat() );
return m_Line.Colided( &c );
}
int main()
{
Shape s;
s.Move(100, 100);
s.Draw();
Rectangle r;
r.Move(200, 100);
r.Resize( 50, 50);
r.Draw();
Circle c;
c.Move( 300, 100);
c.SetRadius(30);
c.Draw();
return 0;
}
void test_three()
{
Circle *circle ;
Point *point ;
Shape *shape ;
IMethod *ptr ;
double area = 0.0 ;
circle = New(Circle) ;
circle->Set(circle , 10.0 , 20.0) ;
circle->Move(circle , 100.0 , 300.0) ;
circle->Position(circle) ;
circle->SetRadius(circle , 30.0) ;
area = circle->Area(circle) ;
circle->SetCircle(circle , 1.0 , 2.0 , 3.0) ;
shape = (Shape*)circle ;
shape->Position(shape) ;
area = shape->Area(shape) ;
point = (Point*)circle ;
point->Move(point , 1000.0 , 2000.0) ;
point->Position(point) ;
circle->AddRadius(circle , 50.0) ;
area = point->Area(point) ;
ptr = (IMethod*)circle ;
// area = ptr->Area() ;
ptr->GetClassName() ;
Delete(ptr) ;
}
int main( int argc, char **argv )
{
if ( SDL_Init( SDL_INIT_EVERYTHING ) < 0 )
throw runtime_error(SDL_GetError());
SDL_Window *window = SDL_CreateWindow( "Circle and line collision example",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
WINDOW_WIDTH,
WINDOW_HEIGHT,
SDL_WINDOW_SHOWN
);
if ( window == NULL )
throw runtime_error(SDL_GetError());
SDL_Renderer *renderer = SDL_CreateRenderer( window, -1, SDL_RENDERER_SOFTWARE);
if ( renderer == NULL )
throw runtime_error(SDL_GetError());
bool bRunning = true;
LineSegment line;
line.SetStart(250,50);
line.SetEnd(200,200);
Circle circle;
circle.SetCenter( Vector2(250,150));
circle.SetRadius(30);
while ( bRunning )
{
SDL_Event ev;
while ( SDL_PollEvent( & ev )) // Check event queue.
{
switch( ev.type )
{
case SDL_QUIT: // when window is closed
bRunning = false;
break;
case SDL_MOUSEBUTTONDOWN:
switch( ev.button.button )
{
case SDL_BUTTON_LEFT:
line.SetEnd( ev.button.x, ev.button.y );
break;
case SDL_BUTTON_RIGHT:
line.SetStart( ev.button.x, ev.button.y );
break;
default:
break;
}
break;
case SDL_MOUSEMOTION:
if ( ev.motion.state & SDL_BUTTON( SDL_BUTTON_LEFT ))
{
line.SetEnd( ev.motion.x, ev.motion.y);
}
break;
}
SDL_SetRenderDrawColor(renderer,0,0,0,0);
SDL_RenderClear(renderer);
draw_line( renderer, line, 0,255,0,255);
if ( collides( circle, line) )
{
draw_circle( renderer, circle, 255,0,0,255);
}
else
draw_circle( renderer, circle, 255,127,0,255);
SDL_RenderPresent( renderer );
SDL_Delay(1);
}
}
SDL_Quit();
return 0;
}
