merge `master` into `loek/util`

1 files changed, 71 insertions, 0 deletions

diff --git a/src/example/rendering_particle.cpp b/src/example/rendering_particle.cpp
new file mode 100644
index 0000000..4571afb
--- /dev/null
+++ b/src/example/rendering_particle.cpp
@@ -0,0 +1,71 @@
+#include "api/Camera.h"
+#include "system/ParticleSystem.h"
+#include <SDL2/SDL_timer.h>
+#include <crepe/ComponentManager.h>
+
+#include <crepe/Component.h>
+#include <crepe/api/Color.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/ParticleEmitter.h>
+#include <crepe/api/Rigidbody.h>
+#include <crepe/api/Sprite.h>
+#include <crepe/api/Texture.h>
+#include <crepe/api/Transform.h>
+#include <crepe/api/Vector2.h>
+#include <crepe/system/RenderSystem.h>
+
+#include <chrono>
+#include <iostream>
+#include <memory>
+
+using namespace crepe;
+using namespace std;
+
+int main(int argc, char * argv[]) {
+	ComponentManager mgr;
+	GameObject game_object = mgr.new_object("", "", Vector2{100, 100}, 0, 0.1);
+	RenderSystem sys{mgr};
+	ParticleSystem psys{mgr};
+
+	Color color(255, 255, 255, 255);
+
+	Sprite & test_sprite = game_object.add_component<Sprite>(
+		make_shared<Texture>("../asset/texture/img.png"), color, FlipSettings{false, false});
+	test_sprite.order_in_layer = 5;
+
+	auto & test = game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{
+		.position = {0, 0},
+		.max_particles = 10,
+		.emission_rate = 0.1,
+		.min_speed = 6,
+		.max_speed = 20,
+		.min_angle = -20,
+		.max_angle = 20,
+		.begin_lifespan = 0,
+		.end_lifespan = 60,
+		.force_over_time = Vector2{0, 0},
+		.boundary{
+			.width = 1000,
+			.height = 1000,
+			.offset = Vector2{0, 0},
+			.reset_on_exit = false,
+		},
+		.sprite = test_sprite,
+	});
+	game_object.add_component<Camera>(Color::WHITE);
+
+	game_object
+		.add_component<Sprite>(make_shared<Texture>("../asset/texture/img.png"), color,
+							   FlipSettings{false, false})
+		.order_in_layer
+		= 6;
+
+	auto start = std::chrono::steady_clock::now();
+	while (std::chrono::steady_clock::now() - start < std::chrono::seconds(5)) {
+		psys.update();
+		sys.update();
+		SDL_Delay(10);
+	}
+
+	return 0;
+}