*粒子系统

1 files changed, 53 insertions, 36 deletions

diff --git a/examples/particle_system/main.cpp b/examples/particle_system/main.cpp
index f37027b..0d2b0f4 100644
--- a/examples/particle_system/main.cpp
+++ b/examples/particle_system/main.cpp
@@ -5,52 +5,64 @@
 using namespace std;
 using namespace JinEngine::AI;
 using namespace JinEngine::Game;
+using namespace JinEngine::Math;
 using namespace JinEngine::Input;
 using namespace JinEngine::Graphics;
+using namespace JinEngine::Graphics::Shaders;
 using namespace JinEngine::Graphics::Particles;
 using namespace JinEngine::Filesystem;
 using namespace JinEngine::Time;
 
 ParticleSystem* p;
-StateMachine sm;
 Timer timer;
 Timer::Handler* hnd;
+Texture* tex;
+Shader* shader;
+const char* shader_code = R"(
+#VERTEX_SHADER 
+Vertex vert(Vertex v) 
+{
+    return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER 
+Color frag(Color col, Texture tex, Vertex v)
+{
+    Color c = texel(tex, v.uv);
+	return c * col;
+}
+#END_FRAGMENT_SHADER
+)";
 void onLoad()
 {
-    sm.addState("Run");
-    sm.addState("Idle");
-    sm.addState("Sleep");
-    sm.addState("Jump");
-    sm.addParametert("run");
-    sm.addParameterb("idle");
-    /*sm.addTransitionb("Empty", "Idle", "run", StateMachine::BOOL_IS, true);
-    sm.addTransitionb("Idle", "Run", "run", StateMachine::BOOL_IS, false);
-    */
-    sm.addTransition("Run", "Idle", StateMachine::Conditions().andf());
-    sm.addTransitiont("Empty", "Idle", "run");
-    sm.addTransitiont("Idle", "Run", "run");
-    sm.setEnterListener([](const string& state, void* p) {
-        cout << "Enter: " << state << endl;
-    });
-    sm.addEnterListener("Run", [](void* p) {
-        cout << "A Run state enter callback" << endl;
-    });
-    sm.addTranslateListener("Idle", "Run", [](void* p) {
-        cout << "From Idle to Run" << endl;
-    });
-    Window::get()->show();
-    hnd = timer.every(500, [](void*) {
-        cout << sm.getCurrentState() << endl;
-    }, NULL);
-    timer.after(2500, [](void*) {
-        //sm.setParameterb("run", true);
-        sm.setParametert("run");
-        //timer.cancel(hnd);
-    }, NULL);
-    timer.after(5000, [](void*) {
-        sm.setParametert("run");
-        //sm.setParameterb("run", false);
-    }, NULL);
+    tex = Texture::createTexture("smoke.png");
+    shader = Shader::createShader(shader_code);
+    ParticleSystemDef def;
+    def.maxParticleCount = 30;
+
+    def.emitterDef.emitRateDef.rate.rate = 0.5f;
+    def.emitterDef.forceDef.force.force = 20.f;
+    def.emitterDef.positionDef.position.position = Vector2<float>(200, 200);
+
+    def.emitterDef.directionDef.enableRandom = true;
+    def.emitterDef.directionDef.direction.random.floor = 0;
+    def.emitterDef.directionDef.direction.random.ceil = 3.14 * 2;
+
+    def.particleDef.colorOverTimeDef.enable = true;
+    def.particleDef.colorOverTimeDef.colorStart = Color(255, 255, 255, 255);
+    def.particleDef.colorOverTimeDef.colorEnd = Color(255, 255, 255, 0);
+
+    def.particleDef.angularSpeedDef.enableRandom = true;
+    def.particleDef.angularSpeedDef.angularSpeed.random.floor = 0.05;
+    def.particleDef.angularSpeedDef.angularSpeed.random.ceil = 1;
+
+    def.particleDef.sizeOverTimeDef.enable = true;
+    def.particleDef.sizeOverTimeDef.start = 1;
+    def.particleDef.sizeOverTimeDef.end = 3;
+
+    def.particleDef.lifeTimeDef.life.life = 5;
+    p = new ParticleSystem(def);
+    p->setGraphic(tex);
 }
 
 void onEvent(Event* e)
@@ -62,12 +74,16 @@ void onEvent(Event* e)
 
 void onUpdate(int ms)
 {
+    p->update(ms / 1000.f);
     timer.update(ms);
-    sm.update();
 }
 
 void onDraw()
 {
+    shader->use();
+    p->render(50, 50);
+    //tex->render(10, 10);
+    shader->unuse();
 }
 
 int main(int argc, char* argv[])
@@ -93,6 +109,7 @@ int main(int argc, char* argv[])
     wndSetting.resizable = false;
     wndSetting.icon = ".";
     wnd->init(&wndSetting);
+    wnd->show();
 
     Application->run();