From 769f1c6c4087d53a2b400511baac77b510f16798 Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Sat, 5 Mar 2022 20:32:19 -0500
Subject: Implement move() in src/spatial.c

Implement move() in src/spatial.c to translate a point in 3D space along
a heading
---
 src/spatial.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/spatial.c b/src/spatial.c
index 06c9a22..4d52738 100644
--- a/src/spatial.c
+++ b/src/spatial.c
@@ -68,6 +68,21 @@ static void rotate(xas_spatial_coord rotation,
     point->z = Yz;
 }
 
+static void move(xas_spatial_coord *point,
+                 xas_spatial_coord heading,
+                 float speed,
+                 float interval) {
+    float distance = speed * interval;
+
+    xas_spatial_coord normal = { 0.0f, 0.0f, distance };
+
+    rotate(heading, &normal);
+
+    point->x += normal.x;
+    point->y += normal.y;
+    point->z += normal.z;
+}
+
 static int within_cone(xas_spatial_coord point,
                        xas_spatial_cone cone) {
     xas_spatial_coord apex_to_point_vect,
-- 
cgit v1.2.3