A javscript based game where you collect coins. As you do, clones spawn following the exact path you have taken. Don't crash into the clones!
Trigonometric matrix manipulation for vector calculations.
rotate (ventor, angle) {
let newVector = ventor.slice(0);
let vec0 = newVector[0];
let vec1 = newVector[1];
newVector[0] = (vec0 * Math.cos(angle)) - (vec1 * Math.sin(angle));
newVector[1] = (vec0 * Math.sin(angle)) + (vec1 * Math.cos(angle));
return newVector;
},Custum built modular grid generation for scoreboard.
const Util {
...
// Generate n x n grid
generateGrid (n) {
return (n % 2 === 0 ? Util.evenSizeGrid(n) : Util.oddSizeGrid (n));
},
// Generate odd size grid of n x n
oddSizeGrid (n) {
n = Math.floor(n - (n / 3) - 1);
let center = [500 / 2 , 500 / 2];
return Util.generateGrid(n, center, 1);
},
// Generate even size grid of n x n
evenSizeGrid(n) {
n = Math.floor(n - (n / 4) - 1);
let center = [500 / 2 + (ScoreBoard.PADDING / 2) + (ScoreBoard.BLOCK_SIZE) / 2,
500 / 2 + (ScoreBoard.PADDING / 2) + (ScoreBoard.BLOCK_SIZE / 2)];
return Util.generateGrid(n, center, 0);
},
// Generate grid helper
generateGridHelper(n, center, offset) {
let grid = [];
for (let i = -(ScoreBoard.BLOCK_SIZE + ScoreBoard.PADDING) * n;
i < ((ScoreBoard.BLOCK_SIZE + ScoreBoard.PADDING) * n) + offset;
i += ScoreBoard.BLOCK_SIZE + ScoreBoard.PADDING) {
for (let j = -(ScoreBoard.BLOCK_SIZE + ScoreBoard.PADDING) * n;
j < ((ScoreBoard.BLOCK_SIZE + ScoreBoard.PADDING) * n) + offset;
j += ScoreBoard.BLOCK_SIZE + ScoreBoard.PADDING) {
grid.push([center[0] + i,center[1] + j]);
}
}
return grid;
},
...
}Developed by Alex Mattson