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Fixed functions Vector2Angle and Vector3Angle

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Andrea Fontana 2021-12-09 16:45:22 +01:00 committed by GitHub
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1 changed files with 5 additions and 18 deletions
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src/raymath.h
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@ -278,14 +278,10 @@ RMAPI float Vector2Distance(Vector2 v1, Vector2 v2)
return result; return result;
} }
// Calculate angle from two vectors in X-axis // Calculate angle from two vectors
RMAPI float Vector2Angle(Vector2 v1, Vector2 v2) RMAPI float Vector2Angle(Vector2 v1, Vector2 v2)
{ {
float result = atan2f(v2.y, v2.x) - atan2f(v1.y, v1.x); return atan2f(v2.y, v2.x) - atan2f(v1.y, v1.x);
if (result < 0) result += 2 * PI;
return result;
} }
// Scale vector (multiply by value) // Scale vector (multiply by value)
@ -532,19 +528,10 @@ RMAPI float Vector3Distance(Vector3 v1, Vector3 v2)
return result; return result;
} }
// Calculate angle between two vectors in XY and XZ // Calculate between two vectors
RMAPI Vector2 Vector3Angle(Vector3 v1, Vector3 v2) RMAPI float Vector3Angle(Vector3 v1, Vector3 v2)
{ {
Vector2 result = { 0 }; return atan2f(Vector3Length(Vector3CrossProduct(v1, v2)), Vector3DotProduct(v1, v2));
float dx = v2.x - v1.x;
float dy = v2.y - v1.y;
float dz = v2.z - v1.z;
result.x = atan2f(dx, dz); // Angle in XZ
result.y = atan2f(dy, sqrtf(dx*dx + dz*dz)); // Angle in XY
return result;
} }
// Negate provided vector (invert direction) // Negate provided vector (invert direction)