Fantasizing about C API and plugins

include/vecmath.h

@@ -0,0 +1,58 @@
+#ifndef _VECMATH_H
+#define _VECMATH_H
+
+typedef union vec2_t {
+    struct {
+        float x;
+        float y;
+    };
+    float v[2];
+} vec2_t;
+
+typedef union vec3_t {
+    struct {
+        float x;
+        float y;
+        float z;
+    };
+    float v[3];
+} vec3_t;
+
+typedef union vec4_t {
+    struct {
+        float x;
+        float y;
+        float z;
+        float w;
+    };
+    float v[4];
+} vec4_t;
+
+typedef union ivec2_t {
+    struct {
+        int x;
+        int y;
+    };
+    int v[2];
+} vec2_t;
+
+typedef union ivec3_t {
+    struct {
+        int x;
+        int y;
+        int z;
+    };
+    int v[3];
+} vec3_t;
+
+typedef union ivec4_t {
+    struct {
+        int x;
+        int y;
+        int z;
+        int w;
+    };
+    int v[4];
+} vec4_t;
+
+#endif