Implement basic ball setup and selection

C++/scripts/md5

@@ -1,7 +1,7 @@
 build.sh:c073187e65d0e23aa77aa94af4ec6382  -
 commit.sh:1af81bf417dfb932284d8a14fdd10657  -
-debug.sh:849488515cab075948653c15eec4177b  -
+debug.sh:8125f303032b6cbc137223df63d10096  -
 lines.sh:3b907786f7fc9204025993016c9080de  -
-release.sh:0ab321c3fa2f1a1b2f03b1aec3bce816  -
+release.sh:b1ce8461a303e8e7aa9ed74259db3873  -
 temp:d41d8cd98f00b204e9800998ecf8427e  -
-web.sh:4bbe9c5710a0ae4289468c3f7f340ff1  -
+web.sh:dd7eec9825587db99063877da2839506  -

main.cpp

@@ -5,62 +5,129 @@ using namespace olc;
 #define WIDTH 640
 #define HEIGHT 480
 
-class Example : public olc::PixelGameEngine
+struct Ball{
+	vf2d pos={};
+	vf2d vel={};
+	vf2d acc={};
+	float radius=0;
+	float mass=0;
+
+};
+
+class MiniGolfPro : public olc::PixelGameEngine
 {
-	
 
 public:
-	Example()
+	std::vector<Ball>balls;
+	Ball*selectedBall;
+
+	MiniGolfPro()
 	{
-		sAppName = "Example";
+		sAppName = "Mini Golf Pro";
+	}
+
+	void AddBall(vf2d pos,float r){
+		Ball b;
+		b.pos=pos;
+		b.radius=r;
+		b.mass=r*10;
+		balls.emplace_back(b);
 	}
 
 public:
-	olc::Key last;
 	bool OnUserCreate() override
 	{
-		std::cout<<"Test"<<std::endl;
+		for (int i=0;i<20;i++){
-		ConsoleShow(olc::Key::A);
+			AddBall({float(rand()%ScreenWidth()),float(rand()%ScreenHeight())},rand()%16+2);
+		}
 		return true;
 	}
 
 	bool OnUserUpdate(float fElapsedTime) override
 	{
-		std::cout<<"Test 4"<<std::endl;
+		auto DoCirclesOverlap = [](vf2d pos1, float r1, vf2d pos2, float r2){
-		ConsoleCaptureStdOut(true);
+			return fabs((pos1.x - pos2.x)*(pos1.x - pos2.x) + (pos1.y - pos2.y)*(pos1.y - pos2.y)) <= (r1 + r2)*(r1 + r2);
-		std::cout<<"Test 2"<<std::endl;
+		};
-		ConsoleCaptureStdOut(false);
+
-		std::cout<<"Test 3"<<std::endl;
+		auto IsPointInCircle = [](vf2d pos, float r, vf2d point){
-		std::cout<<"A"<<std::endl;
+			return fabs((pos.x - point.x)*(pos.x - point.x) + (pos.y - point.y)*(pos.y - point.y)) < (r * r);
+		};
+
+		if (GetMouse(0).bPressed||GetMouse(1).bPressed){
+			selectedBall = nullptr;
+			for (Ball&b:balls){
+				if (IsPointInCircle(b.pos,b.radius,GetMousePos()))
+				{
+					selectedBall = &b;
+					break;
+				}
+			}
+		}
+
+		if(GetMouse(0).bHeld){
+			if(selectedBall!=nullptr){
+				selectedBall->pos.x=GetMouseX();
+				selectedBall->pos.y=GetMouseY();
+			}
+		}
+		if(GetMouse(0).bReleased){
+			selectedBall=nullptr;
+		}
+		if(GetMouse(1).bReleased){
+			if(selectedBall!=nullptr){
+				selectedBall->vel.x=5*(selectedBall->pos.x-(float)GetMouseX());
+				selectedBall->vel.y=5*(selectedBall->pos.y-(float)GetMouseY());
+			}
+			selectedBall=nullptr;
+		}
+
 		Clear(BLACK);
-		DrawString({0,0},std::to_string(last));
+		for(Ball&b:balls){
+			b.acc.x=-b.vel.x*0.8f;
+			b.acc.y=-b.vel.y*0.8f;
+			b.vel.x+=b.acc.x*fElapsedTime;
+			b.vel.y+=b.acc.y*fElapsedTime;
+			b.pos.x+=b.vel.x*fElapsedTime;
+			b.pos.y+=b.vel.y*fElapsedTime;
+
+			if(b.pos.x<0){
+				b.pos.x+=ScreenWidth();
+			}
+			if(b.pos.y<0){
+				b.pos.y+=ScreenHeight();
+			}
+			if(b.pos.x>=ScreenWidth()){
+				b.pos.x-=ScreenWidth();
+			}
+			if(b.pos.y>=ScreenHeight()){
+				b.pos.y-=ScreenHeight();
+			}
+
+			if(fabs(b.vel.x*b.vel.x+b.vel.y*b.vel.y)<0.01){
+				b.vel.x=0;
+				b.vel.y=0;
+			}
+		}
+		
+		for(Ball&b:balls){
+			if(selectedBall==&b){
+				FillCircle(b.pos,b.radius,YELLOW);
+			} else {
+				FillCircle(b.pos,b.radius);
+			}
+		}
 		return true;
 	}
 
 	bool OnUserDestroy()override{
 		return true;
 	}
-
-	void GetAnyKeyPress(olc::Key pressed)override{
-		last=pressed;
-	}
-};
-
-enum Direction{
-    RIGHT,
-    DOWN,
-    LEFT,
-    UP
-};
-
-struct Data{
-	int x,y;
 };
 
 
 int main()
 {	
-	Example demo;
+	MiniGolfPro demo;
 	if (demo.Construct(640, 480, 4, 4))
 		demo.Start();