073 : Fixing the platforms
Balthazar:
Now that we have the collision info, we can fix up the platforms.
Balthazar:
To do that we need to change how we handle platform collisions
function check_platform_collisions() {
var platforms = _game.platforms;
_player.platform = null;
for (var i = 0; i < platforms.length; i++) {
if (collide(platforms[i], _player)) {
_player.platform = platforms[i];
_player.y = platforms[i].y;
_player.velocity_y = 0;
var overlap = collide(platforms[i], _player);
if (overlap) {
// Adjust player location so it no longer overlaps with platform.
_player.x += overlap[0];
_player.y += overlap[1];
var dir = overlap[2];
if (dir == "left" || dir == "right") {
// Smack into left/right side of platform.
_player.velocity_x = 0;
} else if (dir == "top") {
// Land on top of platform.
_player.platform = platforms[i];
_player.velocity_y = 0;
} else {
// Bounce off bottom of platform.
_player.velocity_y *= -1;
}
}
}
}
if (collide(platforms[i], _player)) {
_player.platform = platforms[i];
_player.y = platforms[i].y;
_player.velocity_y = 0;
var overlap = collide(platforms[i], _player);
if (overlap) {
// Adjust player location so it no longer overlaps with platform.
_player.x += overlap[0];
_player.y += overlap[1];
var dir = overlap[2];
if (dir == "left" || dir == "right") {
// Smack into left/right side of platform.
_player.velocity_x = 0;
} else if (dir == "top") {
// Land on top of platform.
_player.platform = platforms[i];
_player.velocity_y = 0;
} else {
// Bounce off bottom of platform.
_player.velocity_y *= -1;
}
}
}
}
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