sdf

src/main.zig

@@ -28,6 +28,8 @@ test "random" {
         }
     }
 }
+    const screenWidth = 800;
+    const screenHeight = 450;
 
 const Particle = struct {
     const Self = @This();
@@ -46,29 +48,29 @@ const Particle = struct {
             self.lifespan -= 1;
         } else {
             const xrnr = randMinMaxFloat(-1,1);
-            const yrnr = randMinMaxFloat(-1,1);
+            const yrnr = randMinMaxFloat(-0.5,0.5);
 
-            std.debug.print("rngx:{}\nyrng:{}\n",.{xrnr,yrnr});
             self.lifespan = rand.intRangeAtMost(u8,1,100);
             self.acceleration.a.x = xrnr;
             self.acceleration.a.y = yrnr;
-            self.position.a.x = 0;
+            self.position.a.x = @floatFromInt(rl.getMouseX()-screenWidth/2);
-            self.position.a.y = 0;
+            self.position.a.y = @floatFromInt(rl.getMouseY()-screenHeight/2);
             self.velocity.a.x = 0;
-            self.velocity.a.y = 0;
+            self.velocity.a.y = -20;
             self.position.a.color.r = rand.intRangeAtMost(u8,0,255);
             self.position.a.color.g = rand.intRangeAtMost(u8,0,255);
             self.position.a.color.b = rand.intRangeAtMost(u8,0,255);
         }
-
+    }
+    pub fn applyGravity(self : *Self,val : f32) void {
+        self.velocity.a.y += val;
     }
 };
 
 pub fn main() anyerror!void {
     // Initialization
     //--------------------------------------------------------------------------------------
-    const screenWidth = 800;
+
-    const screenHeight = 450;
     const rect2 = rl.Rectangle{ .x = @as(f32, @floatFromInt(10)), .y = @as(f32, @floatFromInt(10)), .width = @as(f32, @floatFromInt(300)), .height = @as(f32, @floatFromInt(100)) };
     var msg_res : i32=-1;
     var state : i32=-1;
@@ -83,13 +85,15 @@ pub fn main() anyerror!void {
     var posx : i32 = 0;
     var posy : i32 = 0;
 
-    var p1 : [100]Particle = undefined;
+    var p1 : [1000]Particle = undefined;
     for (&p1) |*p| {
         xrnr = rand.float(f32);
         yrnr = rand.float(f32);
-        p.* = Particle{.velocity = .{.a = .{.x = 5,.y = 1}},.acceleration = .{.a = .{.x=xrnr,.y=yrnr}}};
+        p.* = Particle{.velocity = .{.a = .{.x = 1,.y = -3}},.acceleration = .{.a = .{.x=xrnr,.y=yrnr}}};
     }
 
+    const img : rl.Texture = rl.loadTexture("img.png");
+
     rl.initWindow(screenWidth, screenHeight, "raylib-zig [core] example - basic window");
     defer rl.closeWindow(); // Close window and OpenGL context
 
@@ -123,6 +127,7 @@ pub fn main() anyerror!void {
         }
         for (&p1) |*p| {
             p.update();
+            p.applyGravity(2);
             if(p.position.a.x >= -(screenWidth/2)){
                 posx = @intFromFloat(screenWidth / 2 + p.position.a.x);
             } else {