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implemented some of CCam and dependencies

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aap
2019-05-29 18:06:33 +02:00
parent c5a058b615
commit 820fd66a94
13 changed files with 1367 additions and 42 deletions
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36
src/General.h
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@@ -2,8 +2,40 @@ class CGeneral
{
public:
static float GetATanOfXY(float x, float y){
if(y >= 0.0f) return atan2(x, y);
return atan2(x, y) + 2*M_PI;
// why exactly doesn't this work?
// if(y >= 0.0f) return atan2(x, y);
// return atan2(x, y) + 2*M_PI;
if(x == 0.0f && y == 0.0f)
return 0.0f;
float xabs = fabs(x);
float yabs = fabs(y);
if(xabs < yabs){
if(y > 0.0f){
if(x > 0.0f)
return 0.5f*PI - atan2(x / y, 1.0f);
else
return 0.5f*PI + atan2(-x / y, 1.0f);
}else{
if(x > 0.0f)
return 1.5f*PI + atan2(x / -y, 1.0f);
else
return 1.5f*PI - atan2(-x / -y, 1.0f);
}
}else{
if(y > 0.0f){
if(x > 0.0f)
return atan2(y / x, 1.0f);
else
return PI - atan2(y / -x, 1.0f);
}else{
if(x > 0.0f)
return 2.0f*PI - atan2(-y / x, 1.0f);
else
return PI + atan2(-y / -x, 1.0f);
}
}
}
// not too sure about all these...