050 : Node 050
Balthazar:
Let's make player 2 move
script.js: Remove velocity_x since players can't move left or right.
// Initialize Player 1 data.
function init_player1() {
_player1.width = 20;
_player1.height = 80;
_player1.x = 30;
_player1.y = (_game.height - _player1.height) / 2.0;
_player1.velocity_x = 0;
_player1.velocity_y = 0;
}
// Initialize Player 2 data.
function init_player2() {
_player2.width = 20;
_player2.height = 80;
_player2.x = 500;
_player2.y = (_game.height - _player2.height) / 2.0;
_player2.velocity_x = 0;
_player2.velocity_y = 0;
}
_player1.velocity_x = 0;
_player1.velocity_y = 0;
}
// Initialize Player 2 data.
function init_player2() {
_player2.width = 20;
_player2.height = 80;
_player2.x = 500;
_player2.y = (_game.height - _player2.height) / 2.0;
_player2.velocity_x = 0;
_player2.velocity_y = 0;
}
script.js:
// Handle movement for Player 1.
function update_player1() {
_player1.x += _player1.velocity_x;
_player1.y += _player1.velocity_y;
}
_player1.x += _player1.velocity_x;
_player1.y += _player1.velocity_y;
}
script.js:
// Handle movement for Player 1.
function update_player1() {
...
}
// Handle movement for Player 2.
function update_player2() {
_player2.y += _player2.velocity_y;
}
// Handle movement for Player 2.
function update_player2() {
_player2.y += _player2.velocity_y;
}
script.js:
// This is called ~60 times per second to update the world.
function update_world() {
check_input();
update_player1();
update_player2();
draw();
requestAnimationFrame(update_world);
}
update_player2();
draw();
requestAnimationFrame(update_world);
}