Dec 6, 2018 · You can make an object rotate around another by using trigonometry or vectors. With vectors you just have to rotate a vector which defines the offset from the rotation center each frame and add it to the position vector ( self.pos which is the rotation center) to get the desired self.rect.center coordinates of the orbiting object.

Apr 22, 2019 · use print() to display values in variables in different places in function - it can help to find problem. You can use the canvas.move method to change the position of a canvas item by dx, dy; With the help of after, this move can be called repeatedly, creating a …

Dec 25, 2017 · I can calculate the coordinates that the object must travel through, using the mathematical equation of a circle, and the coordinates seem accurate. But how do I make "acircle" move through those calculated coordinates? Thanks! You can use a timer or you can use some type of ticks in main loop.

Jun 29, 2017 · Here's something that shows one way to do what you want using the tkinter after method to update both the position of the object and the associated canvas oval object. It uses a generator function to compute coordinates along a circular path representing the orbit of one of the Celestial instances (named planet_obj1 ).

Jan 26, 2025 · This blog post will explore different ways to loop through objects in Python, covering fundamental concepts, usage methods, common practices, and best practices. In Python, working with objects and iterating over them is a common task.

Apr 11, 2025 · We will see how to move an object such that it moves horizontally when pressing the right arrow key or left arrow key on the keyboard and it moves vertically when pressing up arrow key or down arrow key. We’ll create a game window, draw an object and update its position based on user input.

Dec 25, 2019 · I´m desperately trying to make the ball loop up and down in a smooth movement however with no results. The loop should end when I press space, which will shoot the ball to pre generated goal on the left side of the screen. Any suggestions on how to do that?

Sep 12, 2023 · To move turtle, there are some functions i.e forward (), backward (), etc. Import Turtle package. Set screen with dimensions and color. Form turtle object with color. Form the object (ball – made of colored circle). Call the function for making object again and again and clear the screen. Below is the implementation :

Jul 6, 2012 · In each frame (iteration of loop) you must erase the screen and redraw the paddle. This is to make sure the paddle is redrawn with new coordinates when the LEFT/RIGHT arrows are pressed. Notice that I change p1Paddle.left instead of p1Paddle.right when LEFT is pressed.

Sep 29, 2021 · In this article, you’ll explore simulating orbiting planets in a solar system using Python. You’ll create code that generates animations such as this one showing a binary star system: This is the first article in the Orbiting Planets series in which you’ll simulate a solar system in two dimensions.