MrMonopoly/raylib
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Unrolled everything.

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Andrea Fontana 2021-12-09 20:21:28 +01:00 committed by GitHub
parent ce7b6bd1c0
commit 9e1058acf1
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1 changed files with 11 additions and 3 deletions
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14
src/raymath.h
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@ -99,7 +99,8 @@
// Types and Structures Definition
//----------------------------------------------------------------------------------
#if !defined(RL_VECTOR2_TYPE)
// Vector2 type
//
type
typedef struct Vector2 {
float x;
float y;
@ -281,7 +282,9 @@ RMAPI float Vector2Distance(Vector2 v1, Vector2 v2)
// Calculate angle from two vectors
RMAPI float Vector2Angle(Vector2 v1, Vector2 v2)
{
return atan2f(v2.y, v2.x) - atan2f(v1.y, v1.x);
float result = atan2f(v2.y, v2.x) - atan2f(v1.y, v1.x);
return result;
}
// Scale vector (multiply by value)
@ -531,7 +534,12 @@ RMAPI float Vector3Distance(Vector3 v1, Vector3 v2)
// Calculate angle between two vectors
RMAPI float Vector3Angle(Vector3 v1, Vector3 v2)
{
return atan2f(Vector3Length(Vector3CrossProduct(v1, v2)), Vector3DotProduct(v1, v2));
Vector3 cross = { v1.y*v2.z - v1.z*v2.y, v1.z*v2.x - v1.x*v2.z, v1.x*v2.y - v1.y*v2.x };
float len = sqrtf(cross.x*cross.x + cross.y*cross.y + cross.z*cross.z);
float dot = (v1.x*v2.x + v1.y*v2.y + v1.z*v2.z);
float result = atan2f(len, dot);
return result;
}
// Negate provided vector (invert direction)