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game feel, allow jumping if just left ground

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Corwin Kuiper 2021-03-13 01:19:24 +00:00 committed by Corwin
parent a49c25b95d
commit 1ec8cbaa20
1 changed files with 9 additions and 1 deletions
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10
examples/chicken.rs
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@ -92,6 +92,7 @@ fn main(_argc: isize, _argv: *const *const u8) -> isize {
let flapping_gravity = gravity / 3;
let jump_velocity = 1 << 9;
let mut frame_count = 0;
let mut frames_off_ground = 0;
let terminal_velocity = (1 << 8) / 2;
@ -114,8 +115,15 @@ fn main(_argc: isize, _argv: *const *const u8) -> isize {
terminal_velocity,
);
if state != State::Ground {
frames_off_ground += 1;
} else {
frames_off_ground = 0;
}
// Jumping code
if state == State::Ground && input.is_just_pressed(Button::A) {
if frames_off_ground < 10 && input.is_just_pressed(Button::A) {
frames_off_ground = 200;
chicken.velocity.y = -jump_velocity;
}