aa

2026-08-16 13:32:51 +08:00
parent 9b5d76a6ac
commit d36fd6d2ee
25 changed files with 2836 additions and 4 deletions
@@ -0,0 +1,49 @@
+#include <cmath>
+
+#include <openceg.hpp>
+
+namespace {
+
+void register_square_behaviors() {
+    auto& behaviors = openceg::BehaviorRegistry::getInstance();
+
+    behaviors.register_init("square_init", [](openceg::Actor& actor) {
+        actor.set_position({0.0F, 0.0F});
+        actor.set_facing({1.0F, 0.0F});
+        if (actor.mesh() != nullptr) {
+            actor.mesh()->set_color({0.2F, 0.8F, 0.9F, 1.0F});
+        }
+    });
+
+    behaviors.register_tick(
+        "square_tick",
+        [](openceg::Actor& actor, float dt, const openceg::render::InputMap& input) {
+            const float t = actor.age();
+            actor.set_facing({
+                std::cos(t * 1.5F),
+                std::sin(t * 1.5F),
+            });
+
+            if (actor.mesh() != nullptr) {
+                actor.mesh()->set_color({
+                    0.5F + 0.5F * std::sin(t * 2.0F),
+                    0.5F + 0.5F * std::sin(t * 2.0F + 2.094F),
+                    0.5F + 0.5F * std::sin(t * 2.0F + 4.189F),
+                    1.0F,
+                });
+            }
+
+            auto position = actor.position();
+            const float move_speed = 0.7F;
+            position[0] += input.get_axis("move_left", "move_right") * move_speed * dt;
+            position[1] += input.get_axis("move_up", "move_down") * move_speed * dt;
+            actor.set_position(position);
+        });
+}
+
+}  // namespace
+
+int main(int argc, char** argv) {
+    register_square_behaviors();
+    return openceg::run_engine(argc, argv, "examples/square/config.ceg");
+}