Effect particle system implemented

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

effect.h

@@ -0,0 +1,33 @@
+class Effect{
+    public:
+        std::vector<Particle*> particles;
+        virtual void create(std::vector<Particle*>&PARTICLES)=0;
+        virtual bool update()=0;
+        Effect(){}
+        void render(PixelGameEngine*game) {
+            for (int i=0;i<particles.size();i++) {
+                particles[i]->render(game);
+            }
+        }
+};
+
+class FountainEffect:public Effect{
+    int fountainDensity=0;
+    int maxLifeTime=0;
+    int lifetime=0;
+    public:
+        FountainEffect(int fountainDensity,int lifetime)
+        :fountainDensity(fountainDensity),lifetime(lifetime),maxLifeTime(lifetime){}
+        void create(std::vector<Particle*>&PARTICLES){
+            lifetime=maxLifeTime;
+            for (int i=0;i<fountainDensity;i++) {
+                PARTICLES.push_back(new WaterParticle({WIDTH/2,HEIGHT},{rand()%3+1,rand()%3+1},{0,rand()%10/10.0F+0.1F},lifetime,Pixel(rand()%128,rand()%128,255)));
+            }
+        }
+        bool update()override{
+            lifetime--;
+            return lifetime>0;
+        }
+};
+
+FountainEffect*FOUNTAIN_EFFECT;

main.cpp

@@ -13,6 +13,7 @@
 #include "cutscene.h"
 #include "encounters.h"
 #include "particle.h"
+#include "effect.h"
 
 #define ㅎ
 #define ㅍ
@@ -534,6 +535,8 @@ public:
 
 	std::vector<Particle*> PARTICLES;
 
+	Effect*CURRENT_EFFECT=nullptr;
+
 	bool OnUserCreate() override
 	{
 		srand(time(NULL));
@@ -546,6 +549,8 @@ public:
 		ConsoleCaptureStdOut(true);
 		// Called once at the start, so create things here
 
+		FOUNTAIN_EFFECT = new FountainEffect(250,2000);
+
 		EnableLayer(layer::COLLISION,false);
 
 		SetupMoveList();
@@ -596,10 +601,6 @@ in some form or capacity or another. Even though it
 goes on a very long time, I hope you can understand this is only for testing purposes!
 )");*/
 
-		for (int i=0;i<1000;i++) {
-			PARTICLES.push_back(new LineParticle({rand()%WIDTH,rand()%HEIGHT},{rand()%10-5,rand()%10-5},{0,0},rand()%1000,Pixel(rand()%255,rand()%255,rand()%255),true));
-		}
-
 		return true;
 	}
 
@@ -667,9 +668,23 @@ goes on a very long time, I hope you can understand this is only for testing pur
 		}
 
 		for (int i=0;i<PARTICLES.size();i++) {
-			PARTICLES[i]->update();
+			if (!PARTICLES[i]->update()) {
+				delete PARTICLES[i];
+				PARTICLES.erase(PARTICLES.begin()+i);
+				i--;
+				continue;
+			}
 			PARTICLES[i]->particleUpdate();
 		}
+		if (CURRENT_EFFECT!=nullptr) {
+			if (!CURRENT_EFFECT->update()) {
+				CURRENT_EFFECT=nullptr;
+				for (int i=0;i<PARTICLES.size();i++) {
+					delete PARTICLES[i];
+				}
+				PARTICLES.clear();
+			}
+		}
 
 		if (GetCurrentCutsceneAction()!=ActionType::NONE) {
 			CurrentAction=GetCurrentCutsceneAction();
@@ -910,6 +925,10 @@ goes on a very long time, I hope you can understand this is only for testing pur
 			ConsoleShow(F1,false);
 		}
 
+		if (GetKey(O).bPressed) {
+			StartEffect(FOUNTAIN_EFFECT);
+		}
+
 		if (BATTLE_ENCOUNTER!=nullptr&&!messageBoxVisible) {
 			switch (BATTLE_STATE) {
 				case BattleState::SELECT_ACTION:{
@@ -3171,6 +3190,11 @@ goes on a very long time, I hope you can understand this is only for testing pur
 	vi2d grid(int x, int y) {
 		return {x*32,y*32};
 	}
+
+	void StartEffect(Effect*eff) {
+		CURRENT_EFFECT=eff;
+		eff->create(PARTICLES);
+	}
 };
 
 

particle.h

@@ -9,7 +9,7 @@ class Particle{
         :pos(pos),spd(spd),acc(acc),lifetime(lifetime){};
         virtual void render(PixelGameEngine*game)=0;
         virtual void particleUpdate()=0;
-        void update() {
+        bool update() {
             spd+=acc;
             pos+=spd;
             if (wrap) {
@@ -26,6 +26,8 @@ class Particle{
                     pos.y-=HEIGHT;
                 }
             }
+            lifetime--;
+            return lifetime>0;
         }
         vd2d GetPos() {
             return pos;
@@ -51,3 +53,37 @@ class LineParticle:public Particle{
             game->DrawLineDecal(pos,pos+spd,col);
         }
 };
+
+class SquareParticle:public Particle{
+    private:
+        vd2d size;
+    public:
+        Pixel col;
+        SquareParticle(vd2d pos,vd2d size,vd2d spd,vd2d acc,int lifetime,Pixel col=WHITE,bool wrap=false)
+        :col(col),size(size),Particle(pos,spd,acc,lifetime,wrap){}
+        void particleUpdate()override{}
+        void render(PixelGameEngine*game)override{
+            game->FillRectDecal(pos,size,col);
+        }
+};
+
+class WaterParticle:public Particle{
+    private:
+        vd2d size;
+        vd2d PickRandomSpd() {
+            return {rand()%60/10.0F-3,-rand()%100/10.0F-2};
+        }
+    public:
+        Pixel col;
+        WaterParticle(vd2d pos,vd2d size,vd2d acc,int lifetime,Pixel col=WHITE)
+        :col(col),size(size),Particle(pos,PickRandomSpd(),acc,lifetime){}
+        void particleUpdate()override{
+            if (this->pos.y>HEIGHT) {
+                this->spd=PickRandomSpd();
+                this->pos={WIDTH/2,HEIGHT};
+            }
+        }
+        void render(PixelGameEngine*game)override{
+            game->FillRectDecal(pos,size,col);
+        }
+};