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diff --git a/src/sfml_game/MyTools.h b/src/sfml_game/MyTools.h
index 93a897d..0e5fe80 100644
--- a/src/sfml_game/MyTools.h
+++ b/src/sfml_game/MyTools.h
@@ -1,91 +1,94 @@
/** This file is part of Witch Blast.
*
* Witch Blast is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Witch Blast is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Witch Blast. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MYTOOLS
#define __MYTOOLS
#include <stdlib.h>
#include <math.h>
/** Vector utility, used in physics
** Default constructor creates a random Vector */
class Vector2D
{
public:
float x, y;
Vector2D(float amplitude = 1.0f)
{
float v = (float)rand() / (float)RAND_MAX;
v *= 6.283f;
x = cosf(v) * amplitude;
y = sinf(v) * amplitude;
}
Vector2D(float m_x, float m_y) { x = m_x; y = m_y; }
float distance2(Vector2D vector)
{
return ( (vector.x - x) * (vector.x - x) + (vector.y - y) * (vector.y - y) );
}
float distance2(Vector2D vector, float repeatZone)
{
float result = (vector.x - x) * (vector.x - x) + (vector.y - y) * (vector.y - y);
float d2 = (vector.x - ( x + repeatZone) ) * (vector.x - ( x + repeatZone)) + (vector.y - y) * (vector.y - y);
if (d2 < result) result = d2;
d2 = ( (vector.x + repeatZone) - x) * ((vector.x + repeatZone) - x) + (vector.y - y) * (vector.y - y);
if (d2 < result) result = d2;
return result;
}
float angleTo(Vector2D vector)
{
float tan = (vector.x - x) / (vector.y - y);
float angle = atan(tan);
return angle;
}
Vector2D vectorTo(Vector2D vector, float amplitude)
{
float angle = angleTo(vector);
Vector2D result;
if (vector.y > y)
{
result.x = sin(angle) * amplitude;
result.y = cos(angle) * amplitude;
}
else
{
result.x = -sin(angle) * amplitude;
result.y = -cos(angle) * amplitude;
}
+ if (result.x != result.x)
+ return (Vector2D(amplitude));
+
return result;
}
};
class IntCoord
{
public:
int x, y;
IntCoord(int x, int y) { this->x = x; this->y = y; }
};
#endif

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