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Kick Karate Fighter Simulator (2D)

2D side-view karate striking lab: pick jab, cross, hook, front kick, roundhouse or side kick, land hits on a swinging heavy bag, and watch stamina, combo chain and bag integrity respond in real time.

Sports Physics & Biomechanics2DModerate60 FPS📱 Mobile-adapted⇆ 3D version

This 2D companion keeps the same strike-and-combo mechanic as the 3D version — six named techniques, a stamina cost per strike, a decaying combo chain, and a bag-integrity meter — but renders it as a flat side-view stick fighter against a swinging heavy bag instead of a rigged 3D character, so the numbers driving each hit (power variance, stamina scaling, chain multiplier) stay easy to read.

⚙ Under the hood

2D karate striking simulator: six techniques with distinct stamina cost, damage and power, a decaying combo chain, and a physically-swinging heavy bag driven by each impact's momentum.

momentum transfercollision dynamicsimpulsecombo timing

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install

How is bag power calculated?

Each strike's displayed power is its base value times a small random variance, scaled down when stamina is low — so tired strikes hit softer even at the same combo chain.

Why does the combo chain reset?

The chain multiplier only holds if the next strike lands within about 1.6 seconds; wait longer and it decays back toward ×1.0, rewarding fast, continuous combinations.