From cf6c6fefd76135df0247339c9adc2712da6c2691 Mon Sep 17 00:00:00 2001
From: raysan5 <raysan5@gmail.com>
Date: Wed, 20 Jan 2016 19:23:58 +0100
Subject: [PATCH] Review some function names for consistency with raymath

---
 src/physac.c | 26 +++++++++++++++-----------
 src/physac.h |  4 ++--
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/src/physac.c b/src/physac.c
index 6dfdbb491..891f01234 100644
--- a/src/physac.c
+++ b/src/physac.c
@@ -55,8 +55,8 @@ static bool collisionChecker = false;
 // Module specific Functions Declarations
 //----------------------------------------------------------------------------------
 static float Vector2Length(Vector2 vector);
-static float Vector2LengthPoints(Vector2 a, Vector2 b);
-static Vector2 Vector2Normalize(Vector2 vector);
+static float Vector2Distance(Vector2 a, Vector2 b);
+static void Vector2Normalize(Vector2 *vector);
 
 //----------------------------------------------------------------------------------
 // Module Functions Definitions
@@ -277,7 +277,7 @@ void AddForceAtPosition(Vector2 position, float intensity, float radius)
             Vector2 pos = {colliders[i].bounds.x, colliders[i].bounds.y};
             
             // Get distance between rigidbody position and target position
-            float distance = Vector2LengthPoints(position, pos);
+            float distance = Vector2Distance(position, pos);
             
             if(distance <= radius)
             {
@@ -285,7 +285,7 @@ void AddForceAtPosition(Vector2 position, float intensity, float radius)
                 Vector2 force = {colliders[i].bounds.x - position.x, colliders[i].bounds.y - position.y};
                 
                 // Normalize the direction vector
-                force = Vector2Normalize(force);
+                Vector2Normalize(&force);
                 
                 // Invert y value
                 force.y *= -1;
@@ -323,20 +323,24 @@ static float Vector2Length(Vector2 vector)
     return sqrt((vector.x * vector.x) + (vector.y * vector.y));
 }
 
-static float Vector2LengthPoints(Vector2 a, Vector2 b)
+static float Vector2Distance(Vector2 a, Vector2 b)
 {
     Vector2 vector = {b.x - a.x, b.y - a.y};
     return sqrt((vector.x * vector.x) + (vector.y * vector.y));
 }
 
-static Vector2 Vector2Normalize(Vector2 vector)
+static void Vector2Normalize(Vector2 *vector)
 {
-    float length = Vector2Length(vector);
+    float length = Vector2Length(*vector);
     
-    if(length != 0)
+    if (length != 0.0f)
     {
-        return (Vector2){vector.x / length, vector.y / length};
+        vector->x /= length;
+        vector->y /= length;
+    }
+    else 
+    {
+        vector->x = 0.0f;
+        vector->y = 0.0f;
     }
-    
-    return (Vector2){0, 0};
 }
diff --git a/src/physac.h b/src/physac.h
index a1501ee35..12209987e 100644
--- a/src/physac.h
+++ b/src/physac.h
@@ -66,8 +66,8 @@ typedef struct Rigidbody {
 typedef struct Collider {
     bool enabled;
     ColliderType type;
-    Rectangle bounds;   // Just used for RectangleCollider type
-    int radius;     // Just used for CircleCollider type
+    Rectangle bounds;   // Used for COLLIDER_RECTANGLE and COLLIDER_CAPSULE
+    int radius;         // Used for COLLIDER_CIRCLE and COLLIDER_CAPSULE
 } Collider;
 
 #ifdef __cplusplus