Change in direction when a line hits an ellipse?
28505
How to simulate the true reflective movement of a particle bouncing around in an ellipse?
73776
Eccentricity of an ellipse
1420
Switch text direction in GEdit
16067
How can I move a sprite in the direction it is facing?
135787
Why do electric field lines point in the direction of decreasing electric potential?
42401
When a sprite is rotating to follow an angle, how to prevent it from reversing direction after a point?
18073
Changing Rotation Direction in Mid Air
59626
How to make a pattern follow a stroke, path or line?
97205
Using \newcommand with ellipse in tikz
131812
Does a sphere projected into 2D space always result in an ellipse?
149047
Ellipses given focus and two points
110713
How can we tell which direction sound is coming from?
70598
Find a line along a circle's perimeter?
96604
How do I calculate how an object will move from one point to another?
33118
How can I plot the direction field for a differential equation?
142755
How to find the center of an ellipse?
156561
Minimizing distance between an ellipse and a point