X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;ds=sidebyside;f=progs%2Fdemos%2Fspaceball%2Fvmath.h;fp=progs%2Fdemos%2Fspaceball%2Fvmath.h;h=5010c07acf464d83841623cd6e9b5dd1e899039d;hb=bb97ecab3add22cf774d3bb8bdb9d1be537cc524;hp=0000000000000000000000000000000000000000;hpb=727f754eabe4bb4751e2d286c8ab71f9ea6d8908;p=freeglut

diff --git a/progs/demos/spaceball/vmath.h b/progs/demos/spaceball/vmath.h
new file mode 100644
index 0000000..5010c07
--- /dev/null
+++ b/progs/demos/spaceball/vmath.h
@@ -0,0 +1,31 @@
+#ifndef VMATH_H_
+#define VMATH_H_
+
+typedef struct { float x, y, z; } vec3_t;
+typedef struct { float x, y, z, w; } vec4_t;
+
+typedef vec4_t quat_t;
+
+typedef float mat4_t[4][4];
+
+/* vector functions */
+static inline vec3_t v3_cons(float x, float y, float z);
+static inline float v3_dot(vec3_t v1, vec3_t v2);
+
+/* quaternion functions */
+static inline quat_t quat_cons(float s, float x, float y, float z);
+static inline vec3_t quat_vec(quat_t q);
+static inline quat_t quat_mul(quat_t q1, quat_t q2);
+static inline void quat_to_mat(mat4_t res, quat_t q);
+quat_t quat_rotate(quat_t q, float angle, float x, float y, float z);
+
+/* matrix functions */
+static inline void m4_cons(mat4_t m,
+		float m11, float m12, float m13, float m14,
+		float m21, float m22, float m23, float m24,
+		float m31, float m32, float m33, float m34,
+		float m41, float m42, float m43, float m44);
+
+#include "vmath.inl"
+
+#endif	/* VMATH_H_ */