give this another shot

animationMario.go

@@ -56,38 +56,37 @@ func (a *Animation) animateMario() {
 	}
 }
 
-// what mario does every frame
 func (a *Animation) updateMarioPosition() {
-	// Ellipse parameters (centered on canvas)
 	centerX := a.ctx.Width() / 2
 	centerY := a.ctx.Height() / 2
 
-	// Calculate new position using parametric ellipse equations
 	t := a.mario.angle
-	marioX := int(float64(centerX) + math.Round(a.mario.a*math.Cos(t)))
-	marioY := int(float64(centerY) + math.Round(a.mario.b*math.Sin(t)))
+	marioX := int(math.Round(float64(a.mario.a * math.Cos(t))))
+	marioY := int(math.Round(float64(a.mario.b * math.Sin(t))))
+
+	// Adjust position relative to the center of the panel
+	marioX += centerX
+	marioY += centerY
+
+	a.mario.position.X = marioX
+	a.mario.position.Y = marioY
 
 	// Update angle to move along the ellipse
-	a.mario.angle += 0.1 // Adjust speed as needed
+	a.mario.angle += 0.1
 	if a.mario.angle >= 2*math.Pi {
 		a.mario.angle -= 2 * math.Pi
 	}
 
-	// Determine horizontal direction (left/right) for image flipping
+	// Direction logic
 	if math.Sin(t) > 0 {
 		a.mario.dir.X = -1 // Moving left
 	} else {
 		a.mario.dir.X = 1 // Moving right
 	}
 
-	// Determine vertical direction (up/down) for image selection
 	if math.Cos(t) > 0 {
 		a.mario.updown = "marioUp" // Moving downward
 	} else {
 		a.mario.updown = "marioDown" // Moving upward
 	}
-
-	// Update Mario's position
-	a.mario.position.X = marioX
-	a.mario.position.Y = marioY
 }