additional types

diff --git a/math_3d.h b/math_3d.h
index cdc6101..32873fc 100644 (file)
--- a/math_3d.h
+++ b/math_3d.h
@@ -96,8 +96,22 @@ v1.0  2016-02-15  Initial release
 // So you can just upload the vectors into shaders as they are.
 //
 
+typedef struct { float x, y; } vec2_t;
 typedef struct { float x, y, z; } vec3_t;
+typedef struct { float w, x, y, z; } vec4_t;
+
+typedef struct { int x, y; } vec2i_t;
+typedef struct { int x, y, z; } vec3i_t;
+typedef struct { int w, x, y, z; } vec4i_t;
+
 static inline vec3_t vec3(float x, float y, float z)        { return (vec3_t){ x, y, z }; }
+static inline vec2_t vec2(float x, float y)                            { return (vec2_t){ x, y }; }
+static inline vec4_t vec4(float w, float x,float y,float z) { return (vec4_t){ w, x, y, z }; }
+
+static inline vec3i_t vec3i(int x, int y, int z)                       { return (vec3i_t){ x, y, z }; }
+static inline vec2i_t vec2i(int x, int y)                              { return (vec2i_t){ x, y }; }
+static inline vec4i_t vec4i(int w, int x,int y,int z)          { return (vec4i_t){ w, x, y, z }; }
+
 
 static inline vec3_t v3_add   (vec3_t a, vec3_t b)          { return (vec3_t){ a.x + b.x, a.y + b.y, a.z + b.z }; }
 static inline vec3_t v3_adds  (vec3_t a, float s)           { return (vec3_t){ a.x + s,   a.y + s,   a.z + s   }; }
@@ -624,4 +638,4 @@ void m4_fprintp(FILE* stream, mat4_t matrix, int width, int precision) {
        }
 }
 
-#endif // MATH_3D_IMPLEMENTATION
\ No newline at end of file
+#endif // MATH_3D_IMPLEMENTATION