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🎮 Game Design

Gravity & Jumping — Physics in Games

Real gravity accelerates things downward. In games, we simulate this by adding a velocity variable. Each frame, gravity increases the downward velocity. Pressing jump sets a negative (upward) velocity. When the player hits the ground, velocity resets.

3 min 10 XP Lesson 5 of 9
Gravity & Jumping — Physics in Games

Real gravity accelerates things downward. In games, we simulate this by adding a velocity variable. Each frame, gravity increases the downward velocity. Pressing jump sets a negative (upward) velocity. When the player hits the ground, velocity resets.

Quick Quiz

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Why is JUMP_FORCE negative?