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more mario like controls

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logaritmisk
2015-01-12 20:31:04 +01:00
parent 817e66ec67
commit 9465b750b6
2 changed files with 35 additions and 25 deletions
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56
src/main.rs
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@@ -7,7 +7,7 @@ use std::iter::range_step;
use sdl2::video::{Window, WindowPos, OPENGL};
use sdl2::event::{poll_event, Event};
use sdl2::timer::{get_ticks, delay};
use sdl2::rect::{Point, Rect};
use sdl2::rect::Rect;
use sdl2::keycode::KeyCode;
use sdl2::pixels::Color;
@@ -30,12 +30,12 @@ const TILE_HEIGHT : i32 = 32;
const MS_PER_UPDATE : usize = 10;
const PLAYER_SPEED_X : f32 = 8.0;
const PLAYER_SPEED_X : f32 = 4.0;
const PLAYER_THRESHOLD_X : f32 = 0.2;
const PLAYER_ACCELERATION_X_START : f32 = 0.01;
const PLAYER_ACCELERATION_X_STOP : f32 = 0.08;
const PLAYER_ACCELERATION_X_CHANGE : f32 = 0.018;
const PLAYER_ACCELERATION_X_START : f32 = 0.02;
const PLAYER_ACCELERATION_X_STOP : f32 = 0.1;
const PLAYER_ACCELERATION_X_CHANGE : f32 = 0.06;
#[derive(Clone)]
@@ -76,7 +76,7 @@ fn main() {
let mut camera = Camera::new(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, layer.to_rect());
let mut player = Player::new(290.0, 390.0);
let mut player = Player::new(390.0, 390.0);
let mut current : usize;
let mut elapsed : usize;
@@ -111,30 +111,26 @@ fn main() {
break 'main;
}
if keyboard.is_held(KeyCode::Right) {
if keyboard.is_held(KeyCode::Right) && (player.dx >= 0.0 || player.on_ground) {
let a = if player.dx > 0.0 {
PLAYER_ACCELERATION_X_START
} else {
PLAYER_ACCELERATION_X_CHANGE
};
let t = 8.0;
player.dx = a * PLAYER_SPEED_X + (1.0 - a) * player.dx;
}
else if keyboard.is_held(KeyCode::Left) {
else if keyboard.is_held(KeyCode::Left) && (player.dx <= 0.0 || player.on_ground) {
let a = if player.dx < 0.0 {
PLAYER_ACCELERATION_X_START
} else {
PLAYER_ACCELERATION_X_CHANGE
};
let t = -8.0;
player.dx = a * -PLAYER_SPEED_X + (1.0 - a) * player.dx;
} else {
} else if player.on_ground {
let a = PLAYER_ACCELERATION_X_STOP;
let t = 0.0;
player.dx = (1.0 - a) * player.dx;
@@ -143,17 +139,17 @@ fn main() {
}
}
if keyboard.was_pressed(KeyCode::Up) {
if player.on_ground {
player.dy = -12.0;
if player.on_ground {
if keyboard.was_pressed(KeyCode::Up) {
player.dy = -8.0;
player.on_ground = false;
}
}
if keyboard.was_released(KeyCode::Up) {
if player.dy < -6.0 {
player.dy = -6.0;
if player.dy < -4.0 {
player.dy = -4.0;
}
}
@@ -181,7 +177,7 @@ fn main() {
d = match *tile {
Tile::Empty => d,
Tile::Floor(_) => d.min(t)
};
}
} else {
break;
}
@@ -192,6 +188,9 @@ fn main() {
if d > 0.0 {
player.x += d;
} else if d < 0.0 {
player.x += d;
player.dx = 0.0;
} else {
player.dx = 0.0;
}
@@ -213,7 +212,7 @@ fn main() {
d = match *tile {
Tile::Empty => d,
Tile::Floor(_) => d.max(t)
};
}
} else {
break;
}
@@ -224,6 +223,9 @@ fn main() {
if d < 0.0 {
player.x += d;
} else if d > 0.0 {
player.x += d;
player.dx = 0.0;
} else {
player.dx = 0.0;
}
@@ -247,7 +249,7 @@ fn main() {
d = match *tile {
Tile::Empty => d,
Tile::Floor(_) => d.min(t)
};
}
} else {
break;
}
@@ -258,6 +260,11 @@ fn main() {
if d > 0.0 {
player.y += d;
} else if d < 0.0 {
player.y += d;
player.dy = 0.0;
player.on_ground = true;
} else {
player.dy = 0.0;
@@ -281,7 +288,7 @@ fn main() {
d = match *tile {
Tile::Empty => d,
Tile::Floor(_) => d.max(t)
};
}
} else {
break;
}
@@ -292,6 +299,9 @@ fn main() {
if d < 0.0 {
player.y += d;
} else if d > 0.0 {
player.y += d;
player.dy = 0.0;
} else {
player.dy = 0.0;
}