Remove core.h, SDL2->SDL3, Makefile cleanup, ansi C, 80 char.

handmade_math.h

@@ -3,79 +3,79 @@
 
 /* TODO: Make these static. */
 struct v2 {
-    float X, Y;
-    float E[2];
+    float x, y;
+    float e[2];
 };
 
-struct v2 V2(float X, float Y)
+struct v2 V2(float x, float y)
 {
-    struct v2 Result;
+    struct v2 result;
 
-    Result.X = X;
-    Result.Y = Y;
+    result.x = x;
+    result.y = y;
 
-    return Result;
+    return result;
 }
 
-struct v2 V2Multiply(float A, struct v2 B)
+struct v2 V2Multiply(float a, struct v2 b)
 {
-    struct v2 Result;
+    struct v2 result;
 
-    Result.X = A * B.X;
-    Result.Y = A * B.Y;
+    result.x = a * b.x;
+    result.y = a * b.y;
 
-    return Result;
+    return result;
 }
 
-struct v2 V2Unary(struct v2 A)
+struct v2 V2Unary(struct v2 a)
 {
-    struct v2 Result;
+    struct v2 result;
 
-    Result.X = -A.X;
-    Result.Y = -A.Y;
+    result.x = -a.x;
+    result.y = -a.y;
 
-    return Result;
+    return result;
 }
 
-struct v2 V2Add(struct v2 A, struct v2 B)
+struct v2 V2Add(struct v2 a, struct v2 b)
 {
-    struct v2 Result;
+    struct v2 result;
 
-    Result.X = A.X + B.X;
-    Result.Y = A.Y + B.Y;
+    result.x = a.x + b.x;
+    result.y = a.y + b.y;
 
-    return Result;
+    return result;
 }
 
-struct v2 V2Subtract(struct v2 A, struct v2 B)
+struct v2 V2Subtract(struct v2 a, struct v2 b)
 {
-    struct v2 Result;
+    struct v2 result;
 
-    Result.X = A.X - B.X;
-    Result.Y = A.Y - B.Y;
+    result.x = a.x - b.x;
+    result.y = a.y - b.y;
 
-    return Result;
+    return result;
 }
 
-float Square(float A)
+float Square(float a)
 {
-    float Result;
+    float result;
 
-    Result = A * A;
+    result = a * a;
 
-    return Result;
+    return result;
 }
 
-float InnerProduct(struct v2 A, struct v2 B)
+float InnerProduct(struct v2 a, struct v2 b)
 {
-    float Result = A.X*B.X + A.Y*B.Y;
-    return Result;
+    float result = a.x*b.x + a.y*b.y;
+    return result;
 }
 
-float LengthSq(struct v2 A)
+float LengthSq(struct v2 a)
 {
-    float Result = InnerProduct(A, A);
-    return Result;
+    float result = InnerProduct(a, a);
+    return result;
 }
 
 #endif