*粒子系统

1 files changed, 26 insertions, 13 deletions

diff --git a/examples/particle_system/main.cpp b/examples/particle_system/main.cpp
index 1d47689..1c76ee6 100644
--- a/examples/particle_system/main.cpp
+++ b/examples/particle_system/main.cpp
@@ -39,8 +39,17 @@ const char* shader_code = R"(
 #END_FRAGMENT_SHADER
 )";
 const float Pi = 3.14f;
+Texture* textures[10];
+Sprite* sprites[10];
 void onLoad()
 {
+    for (int i = 0; i < 10; ++i)
+    {
+        string name = string("dust/s_dust_A_") + std::to_string(i) + ".png";
+        textures[i] = Texture::createTexture(name.c_str());
+        sprites[i] = new Sprite(textures[i], Origin::MIDDLECENTER);
+    }
+
     tex = Texture::createTexture("particle.png");
     spr = new Sprite(tex, Origin::MIDDLECENTER);
     tex1 = Texture::createTexture("texture.png");
@@ -95,25 +104,29 @@ void onLoad()
     def.particleDef.scaleDef.overTime.value.addPoint(1, 0.7);
 */
     p = new ParticleSystem();
-    p->setEmitRate(0.01);
-    p->setEmitForce(80, 150);
+    p->setEmitRate(0.02);
+    p->setEmitForce(80, 120);
     //p->setEmitPosition(Vector2<float>(-2, -2), Vector2<float>(2, 2));
     p->setEmitPosition(Vector2<float>());
-    p->setEmitDirection(-Pi / 8 - Pi / 2, Pi / 8 - Pi / 2);
+    p->setEmitDirection(-Pi / 10 - Pi / 2, Pi / 10 - Pi / 2);
     p->setParticleLinearAccelaration(Vector2<float>(0, 10));
-    p->setParticleSpritesMode(SpriteMode::RANDOM);
-    p->addParticleSprites(2, spr, spr1, spr2);
-    p->addParticleColorPoint(Color(255, 100, 0, 255), 0);
-    p->addParticleColorPoint(Color(255, 255, 0, 100), 0.3);
-    p->addParticleColorPoint(Color(0, 255, 100, 255), 0.5);
-    p->addParticleColorPoint(Color(255, 0, 0, 255), 1);
-    //p->setParticleColor(Color(255, 30, 0, 255));
+    p->setParticleSpritesMode(SpriteMode::ANIMATED);
+    //p->addParticleSprites(2, spr, spr1, spr2);
+    for (int i = 0; i < 10; ++i)
+        p->addParticleSprite(sprites[i]);
+    //p->addParticleColorPoint(Color(255, 100, 0, 255), 0);
+    //p->addParticleColorPoint(Color(0, 255, 100, 255), 0.5);
+    //p->addParticleColorPoint(Color(255, 0, 0, 255), 1);
+    p->setParticleColor(Color(255, 30, 0, 255));
     p->addParticleTransparencyPoint(1, 0);
-    p->addParticleTransparencyPoint(0.7, 1);
+    p->addParticleTransparencyPoint(0, 0.5);
     p->enableParticleBlendAdditive(true);
     p->setParticleLife(0.5, 2);
-    p->addParticleScalePoint(1, 0);
-    p->addParticleScalePoint(0.7, 1);
+    p->addParticleScalePoint(3, 0);
+    p->addParticleScalePoint(0, 1);
+    timer.every(3, [=](void*)->void {
+        //p->setEmitForce()
+    });
 }
 
 void onEvent(Event* e)