Ray tracing against cmodels (WIP).

2 files changed, 31 insertions, 0 deletions

diff --git a/src/game/game.cpp b/src/game/game.cpp
index 8deadd6..4b9a9a3 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -251,6 +251,31 @@ void state_t::command(v2f_t x, int number)
 	if (!selected_units.size())
 		return;
 
+	// debugging
+	if (number == 666) {
+		for (size_t i = 0; i < 100; i++) {
+			v2f_t rad;
+			world::trace_t best;
+
+			best.hit = false;
+			best.frac = 2.0f;
+
+			rad = v2f_t::rad(i / 99.0f * 2.0f * M_PI);
+
+			for (unit_t *unit : selected_units) {
+				world::trace_t trace;
+
+				trace = world::ray_v_rect(x, x + rad * 10, unit->cmodel.bounds);
+				if (trace.frac < best.frac)
+					best = trace;
+			}
+
+			debug_render->render_line(x, best.end, (best.hit ? sf::Color::Yellow : sf::Color::White));
+		}
+
+		return;
+	}
+
 	snap[0] = std::round(x[0] - 0.5f) + 0.5f;
 	snap[1] = std::round(x[1] - 0.5f) + 0.5f;
 
diff --git a/src/game/interface.cpp b/src/game/interface.cpp
index b187d42..7615acf 100644
--- a/src/game/interface.cpp
+++ b/src/game/interface.cpp
@@ -334,6 +334,12 @@ void state_t::render_to(render::state_t *render)
 	std::stringstream ss;
 	double fps;
 
+	// debug
+	{
+		auto wmouse = window->mapPixelToCoords(sf::Mouse::getPosition(*window));
+		game->command(wmouse, 666);
+	}
+
 	if (select.selecting) {
 		sf::Color color;