A simple Boid simulation in 2D space
Technologies used:
- SDL
- C++
Changed SDL_Point in SDL_rect.h to
/**
* The structure that defines a point (integer)
*
* \sa SDL_EnclosePoints
* \sa SDL_PointInRect
*/
typedef struct SDL_Point
{
int x;
int y;
SDL_Point()
{
x = 0;
y = 0;
}
SDL_Point(int x, int y)
{
this->x = x;
this->y = y;
}
void operator += (SDL_Point& otherPoint)
{
x += otherPoint.x;
y += otherPoint.y;
}
void operator -= (SDL_Point& otherPoint)
{
x -= otherPoint.x;
y -= otherPoint.y;
}
SDL_Point operator + (SDL_Point& otherPoint)
{
SDL_Point p;
p.x = x + otherPoint.x;
p.y = y + otherPoint.y;
return p;
}
SDL_Point operator - (SDL_Point& otherPoint)
{
SDL_Point p;
p.x = x - otherPoint.x;
p.y = y - otherPoint.y;
return p;
}
SDL_Point operator * (int scalar)
{
SDL_Point p;
p.x = x * scalar;
p.y = y * scalar;
return p;
}
SDL_Point operator / (int scalar)
{
SDL_Point p;
p.x = x / scalar;
p.y = y / scalar;
return p;
}
} SDL_Point;Changed SDL_FPoint in SDL_rect.h to
/**
* The structure that defines a point (floating point)
*
* \sa SDL_EnclosePoints
* \sa SDL_PointInRect
*/
typedef struct SDL_FPoint
{
float x;
float y;
SDL_FPoint()
{
x = 0.0f;
y = 0.0f;
}
SDL_FPoint(float x, float y)
{
this->x = x;
this->y = y;
}
void operator += (SDL_FPoint& otherPoint)
{
x += otherPoint.x;
y += otherPoint.y;
}
void operator -= (SDL_FPoint& otherPoint)
{
x -= otherPoint.x;
y -= otherPoint.y;
}
SDL_FPoint operator + (SDL_FPoint& otherPoint)
{
SDL_FPoint p;
p.x = x + otherPoint.x;
p.y = y + otherPoint.y;
return p;
}
SDL_FPoint operator - (SDL_FPoint& otherPoint)
{
SDL_FPoint p;
p.x = x - otherPoint.x;
p.y = y - otherPoint.y;
return p;
}
SDL_FPoint operator * (float scalar)
{
SDL_FPoint p;
p.x = x * scalar;
p.y = y * scalar;
return p;
}
SDL_FPoint operator / (float scalar)
{
SDL_FPoint p;
p.x = x / scalar;
p.y = y / scalar;
return p;
}
} SDL_FPoint;