Setup Vec2, Vec3, Vec4 and their initialization functions

.gitignore

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+build/

HandmadeMath.h

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+/*
+  Author: Zak Strange
+  
+*/
+
+#ifndef HANDMADE_MATH_H
+#define HANDMADE_MATH_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HANDMADEMATH_STATIC
+#define HMMDEF static
+#else
+#define HMMDEF extern
+#endif
+
+#if _MSC_VER && !__INTEL_COMPILER
+#define HINLINE __inline 
+#else
+#define HINLLINE inline
+#endif
+    
+typedef union vec2
+{
+    struct
+    {
+        float x, y;
+    };
+    struct
+    {
+        float u, v;
+    };
+    struct
+    {
+        float left, right;
+    }
+
+    float E[2];
+} vec2;
+
+typedef union vec3
+{
+    struct
+    {
+        float x, y, z;
+    };
+    struct
+    {
+        float u, v, w;
+    };
+    struct
+    {
+        float r, g, b;
+    };
+    struct
+    {
+        vec2 xy;
+        float Ignored0_;
+    };
+    struct
+    {
+        float Ignored1_;
+        vec2 yz;
+    };
+    struct
+    {
+        vec2 uv;
+        float Ignored2_;
+    };
+    struct
+    {
+        float Ignored3_;
+        vec2 vw;
+    };
+
+    float E[3];
+} vec3;
+
+typedef union vec4
+{
+    struct
+    {
+        union
+        {
+            vec3 xyz;
+            struct
+            {
+                float x, y, z;
+            };
+        };
+        
+        float w;        
+    };
+    struct
+    {
+        union
+        {
+            vec3 rgb;
+            struct
+            {
+                float r, g, b;
+            };
+        };
+        
+        float a;        
+    };
+    struct
+    {
+        vec2 xy;
+        float Ignored0_;
+        float Ignored1_;
+    };
+    struct
+    {
+        float Ignored2_;
+        vec2 yz;
+        float Ignored3_;
+    };
+    struct
+    {
+        float Ignored4_;
+        float Ignored5_;
+        vec2 zw;
+    };
+    
+    float E[4];
+} vec4;
+
+    
+HMMDEF HINLINE vec2 V2i(int X, int Y);
+HMMDEF HINLINE vec2 V2(float X, float Y);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HANDMADE_MATH_H */
+
+#ifdef HANDMADE_MATH_IMPLEMENTATION
+
+HINLINE vec2 V2i(int X, int Y)
+{
+    vec2 Result = {0};
+
+    Result.x = (float)X;
+    Result.y = (float)Y;
+
+    return(Result);
+}
+    
+HINLINE vec2 V2(float X, float Y)
+{
+    vec2 Result = {0};
+
+    Result.x = X;
+    Result.y = Y;
+
+    return(Result);
+}
+
+
+HINLINE vec3 V3i(int X, int Y, int Z)
+{
+    vec3 Result = {0};
+
+    Result.x = (float)X;
+    Result.y = (float)Y;
+    Result.z = (float)Z;
+    
+    return(Result);
+}
+    
+HINLINE vec3 V3(float X, float Y, float Z)
+{
+    vec3 Result = {0};
+
+    Result.x = X;
+    Result.y = Y;
+    Result.z = Z;
+
+    return(Result);
+}
+
+HINLINE vec4 V4i(int X, int Y, int Z, int W)
+{
+    vec4 Result = {0};
+
+    Result.x = (float)X;
+    Result.y = (float)Y;
+    Result.z = (float)Z;
+    Result.w = (float)W;
+    
+    return(Result);
+}
+    
+HINLINE vec4 V4(float X, float Y, float Z, float W)
+{
+    vec4 Result = {0};
+
+    Result.x = X;
+    Result.y = Y;
+    Result.z = Z;
+    Result.w = W;
+
+    return(Result);
+}
+
+#endif
+
+

build.bat

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+@echo off
+
+IF NOT EXIST build mkdir build
+
+pushd build
+
+REM C Build
+cl -nologo -Zi ../main.c
+
+REM C++ Build
+REM cl -nologo -Zi ../main.cpp
+
+popd

main.c

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+#define HANDMADEMATH_DEFINE
+#include "HandmadeMath.h"
+
+int
+main(int ArgC, char **ArgV)
+{
+    
+}

main.cpp

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+#define HANDMADE_MATH_IMPLEMENTATION
+#include "HandmadeMath.h"
+
+int
+main(int ArgC, char **ArgV)
+{
+    
+}