O'Reilly logo

Beginning Math and Physics for Game Programmers by Wendy Stahler

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Parabolas

Think about the last time you threw a baseball or kicked a soccer ball. Did it follow a straight-line path through the air? No, it probably had more of a curved or arclike path. In fact, any projectile follows what is called a parabolic path. A parabola is really just a fancy name for a symmetric bump, or arc. The bump can be upside-down or sideways, as shown in Figure 2.5, but one side is always a mirror image of the other.

Figure 2.5. Four different types of parabolas.

You will use two components of the parabola to determine its equation. The first is the vertex, which is the very tip of the bump. The second is the axis of symmetry ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required