INNER CODE UNIT · TypeScript

offset

jamesroutley/24a2 · src/engine.ts:390

      const offset = this._dotSize + this._gapSize;
      // Iterate over all dot locations, and check whether the distance
      // between the click and the dot centre is less than the dot's
      // radius
      for (let y = 0; y < this._gridHeight; y++) {
        for (let x = 0; x < this._gridWidth; x++) {
          const dx = this._dotSize / 2 + x * offset;
          const dy = this._dotSize / 2 + y * offset;

          const distance = Math.sqrt(
            Math.pow(cx - dx, 2) + Math.pow(cy - dy, 2)
          );

          if (distance < this._dotSize / 2) {
            this._dotClicked(x, y);
            // We've found the dot, so exit early
            return;
          }

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