ADITYA SINHAGAME DESIGNER
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Duel at Dusk

ROLEGame Programmer

DATENovember 2024

GENREClassic turn-based Artillery Shooter

GAME SUMMARY

In Duel at Dusk, each player selects the angle and power of their shots to launch projectiles at their opponent, factoring in ever-changing wind conditions. The first player to knock out their opponent wins!

MY CONTRIBUTION

I built this two-player, turn-based artillery game entirely in Easy68k assembly, delivering precise projectile gameplay under tight low-level constraints.

Low-Level Systems

  • Memory Manager: Heap initialization, allocation/deallocation, block coalescing, and shrinking to support bitmap rendering and dynamic projectile lifecycles without leaks.
  • Bitmap Renderer: Selective sprite-sheet extraction, transparency handling, and background redraws tuned for 30–40 FPS on 68k hardware.
  • Fixed-Point Physics: 12.4 fixed-point math, lookup-table sine/cosine, and pre-shifted multiplication for accurate wind-affected trajectories.
  • Collision & UI: AABB hit detection with segmented head/body/leg hitboxes and an assembly-driven 7-segment display for real-time health and wind.
  • Presentation: Timestamp-bit wind randomization, frame-by-frame throw and hit animations, and sound effects.

Instructions to Play

  1. Clone or download the repository from the GitHub link below.
  2. Open DuelAtDusk.X68 in the Easy68k environment.
  3. Assemble and run the program to begin the duel.
Duel at Dusk gameplay. Watch on YouTube ↗
Duel at Dusk project image
Duel at Dusk project image