'use strict';
-// Places random sprinkles in the screen each frame. Same color per
-// frame.
-const Sprinkles = function (modulation, width, height, renderer) {
+/**
+ * Draws random sprinkles in the screen each frame. Same color per
+ * frame.
+ *
+ * @function SprinklesScreen
+ * @implements IScreen
+ */
+module.exports = function (modulation, width, height, renderer) {
+
let response = '';
- let maxSprinkleCount = (width * height) / 2;
- let minSprinkleCount = (width * height) / 8;
- let sprinkleCount = Math.round(Math.random() * (maxSprinkleCount - minSprinkleCount)) + minSprinkleCount;
+ const maxSprinkleCount = (width * height) / 2;
+ const minSprinkleCount = (width * height) / 8;
+ const sprinkleCount = Math.round(Math.random() * (maxSprinkleCount - minSprinkleCount)) + minSprinkleCount;
- let red = Math.floor(Math.random() * 255);
- let blue = Math.floor(Math.random() * 255);
- let green = Math.floor(Math.random() * 255);
+ const red = Math.floor(Math.random() * 255);
+ const blue = Math.floor(Math.random() * 255);
+ const green = Math.floor(Math.random() * 255);
- for (let i = 0; i < sprinkleCount; i++) {
- let x = Math.round(Math.random() * (width - 1)) + 1;
- let y = Math.round(Math.random() * (height - 1)) + 1;
+ for (let i = 0; i < sprinkleCount; ++i) {
+ const x = Math.round(Math.random() * (width - 1)) + 1;
+ const y = Math.round(Math.random() * (height - 1)) + 1;
- let position = `\x1B[${y};${x}H`; // Move cursor to y,x (CSI y;x H)
+ const position = `\x1B[${y};${x}H`; // Move cursor to y,x (CSI y;x H)
response += `${position}${renderer(red, blue, green)} `;
}
return response;
};
-
-module.exports = Sprinkles;