Added Doxygen

1 files changed, 23 insertions, 0 deletions

diff --git a/src/crepe/api/AI.cpp b/src/crepe/api/AI.cpp
index d785bb5..49f6b92 100644
--- a/src/crepe/api/AI.cpp
+++ b/src/crepe/api/AI.cpp
@@ -4,4 +4,27 @@ namespace crepe {
 
 AI::AI(game_object_id_t id, float max_force) : Component(id), max_force(max_force) {}
 
+void AI::make_circle_path(float radius, vec2 center, float start_angle, bool clockwise) {
+	// The step size is determined by the radius (step size is in radians)
+	float step = 400.0f / radius;
+	// Force at least 16 steps (in case of a small radius)
+	if (step > 2 * M_PI / 16) {
+		step = 2 * M_PI / 16;
+	}
+	// The path node distance is determined by the step size and the radius
+	path_node_distance = radius * step * 0.75f;
+
+	if (clockwise) {
+		for (float i = start_angle; i < 2 * M_PI + start_angle; i += step) {
+			path.push_back(vec2{static_cast<float>(center.x + radius * cos(i)),
+								static_cast<float>(center.y + radius * sin(i))});
+		}
+	} else {
+		for (float i = start_angle; i > start_angle - 2 * M_PI; i -= step) {
+			path.push_back(vec2{static_cast<float>(center.x + radius * cos(i)),
+								static_cast<float>(center.y + radius * sin(i))});
+		}
+	}
+}
+
 } // namespace crepe