server/game2001
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This commit is contained in:
aozhiwei 2019-06-10 17:09:54 +08:00
parent 66410aefce
commit 1d405bd088
1 changed files with 34 additions and 0 deletions
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34
server/gameserver/collision.cc
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@ -5,6 +5,8 @@
#include <glm/gtx/intersect.hpp>
#include <glm/vec3.hpp>
#include "collision.h"
bool IntersectSegmentCircle(Vector2D p0, Vector2D p1, Vector2D pos, float rad)
{
Vector2D t = p1 - p0;
@ -29,6 +31,37 @@ bool IntersectSegmentCircle(Vector2D p0, Vector2D p1, Vector2D pos, float rad)
bool IntersectSegmentAabb(Vector2D p0, Vector2D p1, Vector2D _min, Vector2D _max)
{
#if 1
Vector2D c = (_min + _max) * 0.5f;
Vector2D e = _max - c;
Vector2D m = (p0 + p1) * 0.5f;
Vector2D d = p1 - m;
m = m - c;
float adx = std::abs(d.x);
if (std::abs(m.x) > e.x + adx) {
return false;
}
float ady = std::abs(d.y);
if (std::abs(m.y) > e.y + ady) {
return false;
}
#if 1
if (p0.x > p1.x) {
float tmp = p0.x;
p0.x = p1.x;
p1.x = tmp;
}
if (p0.y > p1.y) {
float tmp = p0.y;
p0.y = p1.y;
p1.y = tmp;
}
return IntersectAabbAabb(p0, p1, _min, _max);
#else
return true;
#endif
#else
float t = 0.0f;
float d = FLT_MAX;
Vector2D n = p0;
@ -63,6 +96,7 @@ bool IntersectSegmentAabb(Vector2D p0, Vector2D p1, Vector2D _min, Vector2D _max
return false;
}
return true;
#endif
}
bool IntersectAabbCircle(Vector2D a_min, Vector2D a_max, Vector2D b_pos, float b_rad)