Merge pull request #291 from robojumper/vec-functions

Consolidate certain coordinate conversions

1 files changed, 29 insertions, 0 deletions

diff --git a/include/d/d_vec.h b/include/d/d_vec.h
new file mode 100644
index 00000000..18fdd628
--- /dev/null
+++ b/include/d/d_vec.h
@@ -0,0 +1,29 @@
+#ifndef D_VEC_H
+#define D_VEC_H
+
+#include "m/m_angle.h"
+#include "m/m_vec.h"
+
+/**
+ * @brief Gets a point on a XZ circle.
+ * 
+ * @param center   the circle center. Will also hold the result.
+ * @param angle    the Y angle.
+ * @param radius   the circle radius.
+ */
+inline static void getXZCirclePoint(mVec3_c &center, const mAng &angle, f32 radius) {
+    center.x += radius * angle.sin();
+    center.z += radius * angle.cos();
+}
+
+/**
+ * @brief Converts a 2D vector to a 3D vector holding the original's vector coordinates in its XY components.
+ * 
+ * @param v         The 2D vector
+ * @return mVec3_c  The 3D vector
+ */
+inline mVec3_c vec2ToVec3XY(const mVec2_c &v) {
+    return mVec3_c(v.x, v.y, 0.0f);
+}
+
+#endif