diff options
Diffstat (limited to 'src/General.h')
-rw-r--r-- | src/General.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/src/General.h b/src/General.h deleted file mode 100644 index cae1caa0..00000000 --- a/src/General.h +++ /dev/null @@ -1,91 +0,0 @@ -#pragma once - -class CGeneral -{ -public: - static float GetATanOfXY(float x, float y){ - 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); - } - } - } - - static float LimitRadianAngle(float angle) - { - float result; - - if (angle < -25.0f) - result = -25.0f; - else if (angle > 25.0f) - result = 25.0f; - else - result = angle; - - while (result >= PI) { - result -= 2 * PI; - } - - while (result < -PI) { - result += 2 * PI; - } - - return result; - } - - static float GetRadianAngleBetweenPoints(float x1, float y1, float x2, float y2) - { - float x = x2 - x1; - float y = y2 - y1; - - if (y == 0.0f) - y = 0.0001f; - - if (x > 0.0f) { - if (y > 0.0f) - return PI - atan2(x / y, 1.0f); - else - return -atan2(x / y, 1.0f); - } else { - if (y > 0.0f) - return -(PI + atan2(x / y, 1.0f)); - else - return -atan2(x / y, 1.0f); - } - } - - // not too sure about all these... - static uint16 GetRandomNumber(void) - { return myrand() & MYRAND_MAX; } - // Probably don't want to ever reach high - static float GetRandomNumberInRange(float low, float high) - { return low + (high - low)*(GetRandomNumber()/float(MYRAND_MAX + 1)); } - - static int32 GetRandomNumberInRange(int32 low, int32 high) - { return low + (high - low)*(GetRandomNumber()/float(MYRAND_MAX + 1)); } -}; |