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What Is Game Physics?
Simulating movement, gravity, and collisions to feel real.
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AiTechWorlds
AiTechWorlds
Game physics simulates movement, gravity, and collisions to make games feel real. This visual guide covers vectors, velocity, gravity, collision detection and response, rigid bodies, and how physics engines work.
Simulating movement, gravity, and collisions to feel real.
It makes games believable and fun.
Vectors describe direction and magnitude.
Velocity changes position each frame.
Acceleration changes velocity over time.
A constant downward acceleration pulls objects.
Scale motion by frame time for smoothness.
A solid object that physics moves and rotates.
Pushes that change an object’s motion.
Detect when shapes overlap.
Fast approximate collision shapes.
Decide what happens after a hit.
Control sliding and bounciness.
Cast rays to detect what’s in a direction.
Box2D, PhysX, and others do the math.
Stable physics needs consistent steps.
Same ideas, more dimensions in 3D.
Accurate physics costs CPU.
Tunneling and jitter are classic issues.
Use your engine’s built-in physics first.
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