random scale

src/main.zig

@@ -24,6 +24,7 @@ const Particle = struct {
     acceleration: pr.Vec = .{ .a = .{ .x = 0, .y = 0, .z = 0 } },
     lifespan: u8 = 0,
     show: u8 = 0,
+    size: f32 = 0,
     pub fn new(self: Self) void {
         _ = self;
     }
@@ -48,6 +49,7 @@ const Particle = struct {
         const xrnr = randMinMaxFloat(-xaccel, xaccel);
         const yrnr = randMinMaxFloat(-yaccel, yaccel);
 
+        self.size = randMinMaxFloat(-2,2);
         self.lifespan = rand.intRangeAtMost(u8, 75, 255);
         self.acceleration.a.x = xrnr;
         self.acceleration.a.y = yrnr;
@@ -103,6 +105,7 @@ const Emitter = struct {
         var posy: i32 = 0;
         const att: Attractor = .{ .vec = .{ .a = .{ .x = 10, .y = 10, .z = 10 } } };
         const att2: Attractor = .{ .vec = .{ .a = .{ .x = -200, .y = -200, .z = 0 } } };
+        var vec2 : rl.Vector2=undefined;
 
         att.draw();
         att2.draw();
@@ -116,7 +119,8 @@ const Emitter = struct {
                 posx = @intFromFloat(screenWidth / 2 + p.position.a.x);
                 posy = @intFromFloat(screenHeight / 2 + p.position.a.y);
                 //rl.drawRectangle(posx,posy,2,2,rl.Color{.r=p.position.a.color.r,.g=p.position.a.color.g,.b=p.position.a.color.b,.a=255});
-                rl.drawTexture(texture, posx, posy, rl.Color.white);
+                vec2 = .{.x = (screenWidth/2+p.position.a.x),.y = (screenHeight/2+p.position.a.y)};
+                rl.drawTextureEx(texture, vec2,0.5,p.size, rl.Color.white);
             }
         }
     }
@@ -203,13 +207,12 @@ pub fn main() anyerror!void {
             emitter.emit(@as(u32, @intFromFloat(value)), value2, value3);
         }
         
-        rl.beginBlendMode(rl.BlendMode.blend_additive);
-
 
         
         plotStr = try std.fmt.bufPrint(&plotStrBuf,"{d}, {d}, {d}, {d}\n",.{emitter.particles[0].acceleration.a.x,emitter.particles[0].position.a.x,emitter.particles[0].velocity.a.x,emitter.particles[0].show});
         try plot.log(file,plotStr);
 
+        rl.beginBlendMode(rl.BlendMode.blend_additive);
         emitter.update(texture);
         rl.endBlendMode();
     }