Particle system started

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

defines.h

@@ -0,0 +1,10 @@
+
+#define WIDTH 256
+#define HEIGHT 224
+#define TILEMAP_SIZE_X 512
+#define TILEMAP_SIZE_Y 512
+#define TILEMAP_EDITOR_DRAW_MULT 0.4375
+#define TILEMAP_EDITOR_TILESIZE (32*TILEMAP_EDITOR_DRAW_MULT)
+#define PARTY_TRAIL_LENGTH 48
+#define CAMERA_WAIT_TIME 60
+#define HEALTH_ROLLING_SPEED 2

main.cpp

@@ -3,6 +3,7 @@
 #define OLC_PGEX_SPLASHSCREEN
 #include "splash.h"
 #define OLC_SOUNDWAVE
+#include "defines.h"
 #include "soundwaveEngine.h"
 #include "tiles.h"
 #include "references.h"
@@ -11,16 +12,7 @@
 #include <assert.h>
 #include "cutscene.h"
 #include "encounters.h"
-
+#include "particle.h"
-#define WIDTH 256
-#define HEIGHT 224
-#define TILEMAP_SIZE_X 512
-#define TILEMAP_SIZE_Y 512
-#define TILEMAP_EDITOR_DRAW_MULT 0.4375
-#define TILEMAP_EDITOR_TILESIZE (32*TILEMAP_EDITOR_DRAW_MULT)
-#define PARTY_TRAIL_LENGTH 48
-#define CAMERA_WAIT_TIME 60
-#define HEALTH_ROLLING_SPEED 2
 
 #define ㅎ
 #define ㅍ
@@ -540,6 +532,8 @@ public:
 	std::map<std::string,Animation*> ANIMATIONS;
 	std::map<int,Object*> OBJ_INFO;
 
+	std::vector<Particle*> PARTICLES;
+
 	bool OnUserCreate() override
 	{
 		srand(time(NULL));
@@ -602,6 +596,10 @@ 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;
 	}
 
@@ -668,6 +666,11 @@ 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();
+			PARTICLES[i]->particleUpdate();
+		}
+
 		if (GetCurrentCutsceneAction()!=ActionType::NONE) {
 			CurrentAction=GetCurrentCutsceneAction();
 			CurrentCutscene->LockAction();
@@ -1572,6 +1575,9 @@ goes on a very long time, I hope you can understand this is only for testing pur
 			DrawStringPropDecal({6,6},messageBoxText);
 		}
 		SetDrawTarget(layer::INTERFACE);
+		for (int i=0;i<PARTICLES.size();i++) {
+			PARTICLES[i]->render(this);
+		}
 		FillRectDecal({0,0},{WIDTH,HEIGHT},Pixel(0,0,0,(int)CUTSCENE_FADE_VALUE));
 	};
 
@@ -1614,7 +1620,7 @@ goes on a very long time, I hope you can understand this is only for testing pur
 								pixelOffsetY=0;
 							}
 							SetDrawTarget(layer::DYNAMIC);
-							DrawPartialDecal(obj->GetPos()-cameraPos,obj->spr->spr,{(float)((obj->frameIndex%obj->spr->frames)*obj->spr->width),0},{(float)obj->spr->width,(float)obj->spr->spr->sprite->height},obj->GetScale(),Pixel(obj->color.r,obj->color.g,obj->color.b,abs(sin(M_PI/60*frameCount)*210)));
+							DrawPartialDecal(obj->GetPos()-cameraPos,obj->spr->spr,{(float)((obj->frameIndex%obj->spr->frames)*obj->spr->width),0},{(float)obj->spr->width,(float)obj->spr->spr->sprite->height},obj->GetScale(),obj->color);
 						} else {
 							SetDrawTarget(layer::DYNAMIC);
 							DrawPartialDecal(obj->GetPos()-cameraPos,obj->spr->spr,{(float)((obj->frameIndex%obj->spr->frames)*obj->spr->width),0},{(float)obj->spr->width,(float)obj->spr->spr->sprite->height},obj->GetScale(),obj->color);

particle.h

@@ -0,0 +1,53 @@
+class Particle{
+	public:
+		vd2d pos;
+		vd2d spd;
+		vd2d acc;
+		int lifetime; //In frames.
+        bool wrap;
+        Particle(vd2d pos,vd2d spd,vd2d acc,int lifetime,bool wrap=false)
+        :pos(pos),spd(spd),acc(acc),lifetime(lifetime){};
+        virtual void render(PixelGameEngine*game)=0;
+        virtual void particleUpdate()=0;
+        void update() {
+            spd+=acc;
+            pos+=spd;
+            if (wrap) {
+                if (pos.x<0) {
+                    pos.x+=WIDTH;    
+                } else
+                if (pos.y<0) {
+                    pos.y+=HEIGHT;   
+                }
+                if (pos.x>WIDTH) {
+                    pos.x-=WIDTH;    
+                } else 
+                if (pos.y>HEIGHT) {
+                    pos.y-=HEIGHT;
+                }
+            }
+        }
+        vd2d GetPos() {
+            return pos;
+        }
+        vd2d GetSpd() {
+            return spd;
+        }
+        vd2d GetAcc() {
+            return acc;
+        }
+        void SetPos(vd2d pos) {
+            this->pos=pos;
+        }
+};
+
+class LineParticle:public Particle{
+    public:
+        Pixel col;
+        LineParticle(vd2d pos,vd2d spd,vd2d acc,int lifetime,Pixel col=WHITE,bool wrap=false)
+        :col(col),Particle(pos,spd,acc,lifetime,wrap){}
+        void particleUpdate()override{}
+        void render(PixelGameEngine*game)override{
+            game->DrawLineDecal(pos,pos+spd,col);
+        }
+};