Python Animation Vehicle Moving Forward but Slow

 

import tkinter as tk

import math

# ------------------------------

# Configuration

# ------------------------------

WHEEL_RADIUS = 40

SPOKES = 10

WHEEL_DISTANCE = 150

BODY_WIDTH = 180

BODY_HEIGHT = 50

MOVE_SPEED = 2       # pixels per frame

ROTATE_SPEED = 5     # degrees per frame

FPS = 30             # frames per second

# ------------------------------

# Helper functions

# ------------------------------

def create_wheel(canvas, cx, cy, radius, spokes):

    """Create a wheel with spokes and return IDs of all parts."""

    parts = []

    # Outer circle

    parts.append(canvas.create_oval(cx - radius, cy - radius,

                                    cx + radius, cy + radius,

                                    outline="black", width=2))

    # Spokes

    for i in range(spokes):

        angle = math.radians(i * (360 / spokes))

        x_end = cx + radius * math.cos(angle)

        y_end = cy + radius * math.sin(angle)

        parts.append(canvas.create_line(cx, cy, x_end, y_end, fill="black", width=1.5))

    return parts

def rotate_wheel(canvas, parts, cx, cy, angle_deg):

    """Rotate spokes of the wheel around its center."""

    # First part is the circle, skip it

    for spoke_id in parts[1:]:

        coords = canvas.coords(spoke_id)

        x0, y0, x1, y1 = coords

        # Rotate endpoint (x1, y1) around center (cx, cy)

        dx, dy = x1 - cx, y1 - cy

        r = math.hypot(dx, dy)

        current_angle = math.atan2(dy, dx)

        new_angle = current_angle + math.radians(angle_deg)

        new_x = cx + r * math.cos(new_angle)

        new_y = cy + r * math.sin(new_angle)

        canvas.coords(spoke_id, cx, cy, new_x, new_y)

# ------------------------------

# Animation setup

# ------------------------------

root = tk.Tk()

root.title("Two Wheels with Rotating Spokes and Moving Body")

canvas = tk.Canvas(root, width=800, height=300, bg="white")

canvas.pack()

# Initial positions

wheel1_center = [100, 200]

wheel2_center = [100 + WHEEL_DISTANCE, 200]

# Create wheels

wheel1_parts = create_wheel(canvas, *wheel1_center, WHEEL_RADIUS, SPOKES)

wheel2_parts = create_wheel(canvas, *wheel2_center, WHEEL_RADIUS, SPOKES)

# Create body rectangle above wheels

body_top_left = (wheel1_center[0] - (BODY_WIDTH - WHEEL_DISTANCE) / 2, wheel1_center[1] - WHEEL_RADIUS - BODY_HEIGHT)

body_bottom_right = (body_top_left[0] + BODY_WIDTH, body_top_left[1] + BODY_HEIGHT)

body_id = canvas.create_rectangle(*body_top_left, *body_bottom_right, fill="skyblue", outline="black", width=2)

# Group all parts for movement

all_parts = wheel1_parts + wheel2_parts + [body_id]

# ------------------------------

# Animation loop

# ------------------------------

def animate():

    # Move all parts forward

    for part in all_parts:

        canvas.move(part, MOVE_SPEED, 0)

    # Update wheel centers

    wheel1_center[0] += MOVE_SPEED

    wheel2_center[0] += MOVE_SPEED

    # Rotate spokes

    rotate_wheel(canvas, wheel1_parts, *wheel1_center, ROTATE_SPEED)

    rotate_wheel(canvas, wheel2_parts, *wheel2_center, ROTATE_SPEED)

    # Loop animation

    root.after(int(1000 / FPS), animate)

animate()

root.mainloop()