yet another kineticjs game. What initially was supposed to become a carnival-fishing-pond game developed to be a game on hunting gemstones.
What is important in code is to freeze necessary object (4) informations every time we press Spacebar when try for hitting juvels on the canvas floor. Otherwise calculations mess up to bizarre results.
Fast left and right navigation of crosshair with arrow keys: ← →
Fine adjustment (5 px) with arrow keys: ↑ ↓
Red line (could be transparent so as to make game more difficult) to point out the juvels - and press on Spacebar