Better Invaders Scenario

Cargo.toml

@@ -51,3 +51,7 @@ path = "examples/scenarios/road_race.rs"
 [[example]]
 name = "extreme_drivers_ed"
 path = "examples/scenarios/extreme_drivers_ed.rs"
+
+[[example]]
+name = "invaders"
+path = "examples/scenarios/invaders.rs"

assets/sprite/space/block_blank_blue.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_blank_red.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_bolt_blue.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_bolt_red.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_shield_blue.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_shield_red.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_star_blue.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/block_star_red.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-17.0, -11.5),
+    (-17.0, 11.5),
+    (-15.0, 14.5),
+    (-12.0, 16.5),
+    (11.0, 16.5),
+    (14.0, 14.5),
+    (16.0, 11.5),
+    (16.0, -11.5),
+    (14.0, -14.5),
+    (11.0, -16.5),
+    (-12.0, -16.5),
+    (-15.0, -14.5),
+])

assets/sprite/space/enemy_black.collider

@@ -0,0 +1,10 @@
+Poly([
+    (-46.500004, 14.000001),
+    (-46.500004, 17.0),
+    (-29.500002, 42.0),
+    (29.500002, 42.0),
+    (46.500004, 16.5),
+    (46.500004, 14.000001),
+    (25.500002, -41.0),
+    (-25.500002, -41.0),
+])

assets/sprite/space/enemy_blue.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-52.0, 8.0),
+    (-52.0, 14.0),
+    (-50.0, 16.0),
+    (-1.0, 42.0),
+    (1.0, 42.0),
+    (50.0, 16.0),
+    (52.0, 14.0),
+    (52.0, 8.0),
+    (24.0, -41.0),
+    (16.0, -42.0),
+    (-16.0, -42.0),
+    (-24.0, -41.0),
+])

assets/sprite/space/enemy_green.collider

@@ -0,0 +1,11 @@
+Poly([
+    (-38.5, -42.0),
+    (-51.5, 0.0),
+    (-51.5, 4.0),
+    (-26.5, 36.0),
+    (-8.5, 42.0),
+    (8.5, 42.0),
+    (25.5, 36.0),
+    (51.5, 3.0),
+    (38.5, -42.0),
+])

assets/sprite/space/enemy_red.collider

@@ -0,0 +1,10 @@
+Poly([
+    (-41.0, -20.0),
+    (-41.0, 29.0),
+    (-20.0, 42.0),
+    (20.0, 42.0),
+    (41.0, 29.0),
+    (41.0, -20.0),
+    (11.0, -42.0),
+    (-11.0, -42.0),
+])

assets/sprite/space/explosion.collider

@@ -0,0 +1,14 @@
+Poly([
+    (-32.0, -1.5),
+    (-32.0, 1.5),
+    (-27.0, 26.5),
+    (-2.0, 31.5),
+    (2.0, 31.5),
+    (27.0, 26.5),
+    (32.0, 2.5),
+    (32.0, -1.5),
+    (27.0, -26.5),
+    (2.0, -31.5),
+    (-2.0, -31.5),
+    (-27.0, -26.5),
+])

assets/sprite/space/laser_blue.collider

@@ -0,0 +1,10 @@
+Poly([
+    (-1.5, -27.0),
+    (-4.5, -13.0),
+    (-4.5, 25.0),
+    (-2.5, 27.0),
+    (2.5, 27.0),
+    (4.5, 25.0),
+    (4.5, -13.0),
+    (1.5, -27.0),
+])

assets/sprite/space/laser_red.collider

@@ -0,0 +1,10 @@
+Poly([
+    (-1.5, -27.0),
+    (-4.5, -13.0),
+    (-4.5, 25.0),
+    (-2.5, 27.0),
+    (2.5, 27.0),
+    (4.5, 25.0),
+    (4.5, -13.0),
+    (1.5, -27.0),
+])

assets/sprite/space/life_blue.collider

@@ -0,0 +1,12 @@
+Poly([
+    (-18.5, -4.0),
+    (-18.5, 0.0),
+    (-2.5, 13.0),
+    (1.5, 13.0),
+    (17.5, -0.0),
+    (17.5, -4.0),
+    (11.5, -12.0),
+    (3.5, -13.0),
+    (-4.5, -13.0),
+    (-12.5, -12.0),
+])

assets/sprite/space/life_red.collider

@@ -0,0 +1,12 @@
+Poly([
+    (-18.5, -4.0),
+    (-18.5, 0.0),
+    (-2.5, 13.0),
+    (1.5, 13.0),
+    (17.5, -0.0),
+    (17.5, -4.0),
+    (11.5, -12.0),
+    (3.5, -13.0),
+    (-4.5, -13.0),
+    (-12.5, -12.0),
+])

assets/sprite/space/ship_blue.collider

@@ -0,0 +1,10 @@
+Poly([
+    (-49.0, -21.5),
+    (-4.0, 37.5),
+    (4.0, 37.5),
+    (49.0, -22.5),
+    (49.0, -28.5),
+    (14.0, -37.5),
+    (-14.0, -37.5),
+    (-49.0, -29.5),
+])

assets/sprite/space/ship_red.collider

@@ -0,0 +1,10 @@
+Poly([
+    (-49.0, -21.5),
+    (-4.0, 37.5),
+    (4.0, 37.5),
+    (49.0, -22.5),
+    (49.0, -28.5),
+    (14.0, -37.5),
+    (-14.0, -37.5),
+    (-49.0, -29.5),
+])

assets/sprite/space/ufo.collider

@@ -0,0 +1,18 @@
+Poly([
+    (46.0, 0.0),
+    (42.49846, 17.603437),
+    (32.526913, 32.526913),
+    (17.603437, 42.49846),
+    (0.0, 46.0),
+    (-17.603437, 42.49846),
+    (-32.526913, 32.526913),
+    (-42.49846, 17.603437),
+    (-46.0, 0.0),
+    (-42.49846, -17.603437),
+    (-32.526913, -32.526913),
+    (-17.603437, -42.49846),
+    (0.0, -46.0),
+    (17.603437, -42.49846),
+    (32.526913, -32.526913),
+    (42.49846, -17.603437),
+])

examples/scenarios/invaders.rs

@@ -0,0 +1,72 @@
+use rusty_engine::prelude::*;
+
+struct GameState {
+    string_vec: Vec<String>,
+}
+
+fn main() {
+    let mut game = Game::new();
+
+    // create and position the player
+    let player = game.add_sprite("player", "sprite/space/ship_blue.png");
+    player.translation.y = -275.0;
+    player.collision = true;
+
+    for i in 0..5 {
+        place_barrier(
+            &mut game,
+            format!("barrier{}", i),
+            Vec2::new(-624.0 + (i * (160 + 96)) as f32 + 32.0, -230.0),
+        );
+    }
+    // pre-populate laser labels
+    let mut game_state = GameState {
+        string_vec: Vec::new(),
+    };
+    for i in 0..2 {
+        game_state.string_vec.push(format!("laser{}", i));
+    }
+
+    game.add_logic(logic);
+    game.run(game_state);
+}
+
+fn logic(engine: &mut Engine, game_state: &mut GameState) {
+    // Player movement
+    let player = engine.sprites.get_mut("player").unwrap();
+    if let Some(location) = engine.mouse_state.location() {
+        player.translation.x = player
+            .translation
+            .lerp(Vec2::new(location.x, player.translation.y), 0.1)
+            .x;
+    }
+
+    // Lasers!!!
+    let player_translation = player.translation;
+    if engine.mouse_state.just_pressed(MouseButton::Left)
+        || engine.keyboard_state.just_pressed(KeyCode::Space)
+    {
+        if let Some(label) = game_state.string_vec.pop() {
+            let laser =
+                engine.add_sprite(format!("laser{}", label), SpritePreset::RacingBarrierWhite);
+            laser.rotation = UP;
+            laser.scale = 0.25;
+            laser.translation = player_translation;
+        }
+    }
+}
+
+fn place_barrier(engine: &mut Engine, prefix: String, location: Vec2) {
+    for x in 0..5 {
+        for y in 0..3 {
+            if y == 2 && (x == 0 || x == 4) {
+                continue;
+            }
+            let block = engine.add_sprite(
+                format!("{}-{}-{}", prefix, x, y),
+                SpritePreset::RollingBlockSmall,
+            );
+            block.translation = Vec2::new(x as f32 * 32.0, y as f32 * 32.0) + location;
+        }
+    }
+}

scenarios/space_invaders.md

@@ -2,7 +2,7 @@
 
 Evil aliens are invading! Shoot them down.
 
-Similar to the classic [Space Invaders](https://en.wikipedia.org/wiki/Space_Invaders) arcade game, evil car aliens are invading and you must shoot them down!  Cars will be set up in a grid near tho top of the screen. They will march back and forth the screen as they come lower and lower, moving faster the less of them that there are.  You are aboard the only trusty green triangle that can shoot them down!
+Similar to the classic [Space Invaders](https://en.wikipedia.org/wiki/Space_Invaders) arcade game, evil aliens are invading and you must shoot them down!  Aliens will be set up in a grid near the top of the screen. They will march back and forth the screen as they come lower and lower, moving faster the less of them that there are.  You are aboard the only spaceship left that can shoot them down!
 
 ## Common Setup