commit 7600d281b8ec93944dae992eaa50eca34ed7193d
Author: Jonathan Hirz <jonathanhirz@gmail.com>
Date:   Sat Jan 19 22:50:00 2019 -0800

    init

diff --git a/.gitignore b/.gitignore
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+*/.DS_Store
+.DS_Store
+.DS_Store?
+*/thumbs.db
+thumbs.db
+.thumbs.db?
+_luxe.data/
+_luxe.deploy/
+screenshots/
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diff --git a/.luxeignore b/.luxeignore
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+screenshots/*
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diff --git a/_art/player_ship.ase b/_art/player_ship.ase
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diff --git a/_art/star.ase b/_art/star.ase
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diff --git a/empty.outline.lx b/empty.outline.lx
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+name = "empty"
+description = "An empty project, with a game world and a ui world.\nDefaults to 2D cameras mapped to window size,\nand handles basic rendering and updating."
+keywords = ["empty", "blank", "2D"]
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diff --git a/game.scene/game.layer b/game.scene/game.layer
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+++ b/game.scene/game.layer
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+layer = {
+  elements = {} //elements
+} //layer
diff --git a/game.wren b/game.wren
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+++ b/game.wren
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+import "luxe: game" for Game
+import "luxe: assets" for Assets
+import "luxe: input" for Input, Key
+import "luxe: world" for World, Entity, Transform, Sprite, Values, Tags, Camera
+import "luxe: math" for Math
+import "luxe: draw" for Draw
+import "luxe: io" for IO
+import "random" for Random
+
+import "outline/app" for App
+
+class game is Game {
+
+  construct ready() {
+
+    System.print("ready!")
+
+    app = App.new()
+    app.color = [0,0,0,1]
+    System.print("render size: %(app.width) x %(app.height) @ %(app.scale)x")
+
+    // game vars
+    // camera
+    _camera_scale = 1.5
+
+    // starfield
+    _star_scale = 2
+    
+    // player ship
+    _ship_rotation = 0
+    _ship_speed = 40
+    _ship_acceleration_x = 0
+    _ship_acceleration_y = 0
+    _ship_velocity_x = 0
+    _ship_velocity_y = 0
+    _ship_dampening = 0.85
+
+    Camera.ortho(app.camera, 0, 0, app.width / _camera_scale, app.height / _camera_scale, -1, 1)
+
+    draw_starfield()
+    create_ship()
+    Transform.set_pos(app.camera, Transform.get_pos_x(_ship) - (app.width / 2 / _camera_scale), Transform.get_pos_y(_ship) - (app.height / 2 / _camera_scale))
+
+  } //ready
+
+  tick(delta) {
+
+    tick_ship(delta)
+    tick_camera(delta)
+    tick_starfield(delta)
+
+    if(Input.key_state_released(Key.escape)) {
+      IO.shutdown()
+    }
+
+    app.tick(delta)
+
+  } //tick
+
+  //////////////
+  // CREATORS //
+  //////////////
+
+  draw_starfield() {
+
+    //todo: understand this starfield, expand it, make it move.
+    var rng = Random.new(25)
+    var ctx = Draw.create(World.render_set(app.world))
+    var color = [1,1,1,1]
+    for(i in 0 ... 1000) {
+      var x = rng.int(-app.width / _star_scale, app.width / _star_scale)
+      var y = rng.int(-app.height / _star_scale, app.height / _star_scale)
+      var z = 0
+      var w = rng.int(1, 4)
+      // var h = rng.int(1, 3)
+      var h = w
+      var a = 0
+      color.a = 0.1 * w
+      Draw.quad(ctx, x, y, z, w, h, a, color)
+    }
+    Draw.commit(ctx)
+
+  } //draw_starfield
+
+  create_ship() {
+
+    _ship = Entity.create(app.world, "ship")
+    Transform.create(_ship)
+    var ship_mat = Assets.material("material/ship")
+    Sprite.create(_ship, ship_mat, 16, 32)
+    Transform.set_pos(_ship, 0, 0)
+
+  } //create_ship
+
+  //////////////
+  // UPDATERS //
+  //////////////
+
+  tick_ship(delta) {
+
+    var input_vec = [get_axis("horizontal"), get_axis("vertical"), 0]
+    Math.normalize(input_vec)
+    
+    // 2d movement physics
+    _ship_acceleration_x = input_vec.x * _ship_speed
+    _ship_acceleration_y = input_vec.y * _ship_speed
+    _ship_velocity_x = _ship_velocity_x + (_ship_acceleration_x * delta)
+    _ship_velocity_y = _ship_velocity_y + (_ship_acceleration_y * delta)
+    _ship_velocity_x = _ship_velocity_x * _ship_dampening
+    _ship_velocity_y = _ship_velocity_y * _ship_dampening
+
+    // rotate ship in direction of movement, if input is detected (solves snap at vel=0)
+    if(input_vec.x != 0 || input_vec.y != 0) {
+      _ship_rotation = Math.atan2(_ship_velocity_y, _ship_velocity_x) + Math.radians(90)
+      Transform.set_euler_world(_ship, 0, 0, _ship_rotation)
+    }
+
+    // move ship
+    Transform.translate(_ship, _ship_velocity_x, _ship_velocity_y)
+    System.print("[%(Transform.get_pos_x(_ship)), %(Transform.get_pos_y(_ship))]")
+
+  } //tick_ship
+
+  tick_camera(delta) {
+
+    // move the camera, with some lerp delay, along with the ship
+    var shipx = Transform.get_pos_x(_ship)
+    var shipy = Transform.get_pos_y(_ship)
+    var camerax = Transform.get_pos_x(app.camera)
+    var cameray = Transform.get_pos_y(app.camera)
+    var interpolation = 0.8
+    var camera_interp_x = lerp(shipx - (app.width / 2 / _camera_scale), camerax, interpolation)
+    var camera_interp_y = lerp(shipy - (app.height / 2 / _camera_scale), cameray, interpolation)
+    Transform.set_pos(app.camera, camera_interp_x, camera_interp_y)
+
+  } //tick_camera
+
+  tick_starfield(delta) {
+
+  } //tick_starfield
+
+  /////////////
+  // HELPERS //
+  /////////////
+
+  get_axis(axis) {
+
+    if(axis == "horizontal") {
+      var xaxis = 0
+      if(Input.key_state_down(Key.key_a) || Input.key_state_down(Key.left)) {
+        xaxis = xaxis - 1
+      } 
+      if(Input.key_state_down(Key.key_d) || Input.key_state_down(Key.right)) {
+        xaxis = xaxis + 1
+      } 
+      return xaxis
+    }
+    if(axis == "vertical") {
+      var yaxis = 0
+      if(Input.key_state_down(Key.key_w) || Input.key_state_down(Key.up)) {
+        yaxis = yaxis - 1
+      } 
+      if(Input.key_state_down(Key.key_s) || Input.key_state_down(Key.down)) {
+        yaxis = yaxis + 1
+      } 
+      return yaxis
+    }
+
+  } //get_axis
+
+  lerp(a, b, t) {
+
+    return a + t * (b - a)
+
+  } //lerp
+
+  destroy() {
+
+    System.print("unready!")
+    app.destroy()
+
+  } //destroy
+
+  app { _app }
+  app=(v) { _app=v }
+
+} //Game
diff --git a/image/ship.image.lx b/image/ship.image.lx
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+image = {
+    source = "image/ship.png"
+}
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diff --git a/image/ship.png b/image/ship.png
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diff --git a/material/ship.material b/material/ship.material
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+++ b/material/ship.material
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+material = {
+	basis = "luxe: material_basis/sprite_pixelated"
+	samplers = { 0 = "image/ship" }
+}
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diff --git a/outline/app.wren b/outline/app.wren
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+++ b/outline/app.wren
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+import "luxe: world" for World, Camera, Entity, Transform
+import "luxe: render" for Render
+
+class App {
+
+  world       { _world }
+  ui          { _ui_world }
+
+  camera      { _camera }
+  ui_camera   { _ui_camera }
+
+  color       { _color }
+  color=(v)   { _color = v }
+
+  width       { Render.window_w() }
+  height      { Render.window_h() }
+  scale       { Render.drawable_ratio() }
+
+  construct new() {
+
+    _color = [1,1,1,1]
+
+    //create worlds
+
+      _world = World.create("game")
+      _ui_world = World.create("ui")
+
+    //create cameras
+
+      _camera = Entity.create(_world, "app.camera")
+      Transform.create(_camera)
+      Camera.create(_camera)
+
+      _ui_camera = Entity.create(_ui_world, "app.ui_camera")
+      Transform.create(_ui_camera)
+      Camera.create(_ui_camera)
+
+  } //new
+
+  destroy() {
+
+    //destroy cameras
+
+      Camera.destroy(_camera)
+      Camera.destroy(_ui_camera)
+
+      Entity.destroy(_camera)
+      Entity.destroy(_ui_camera)
+
+    //destroy worlds
+
+      World.destroy(_ui_world)
+      World.destroy(_world)
+
+  } //destroy
+
+  tick(delta) {
+
+    //update worlds
+
+      World.tick_systems(_world, delta)
+      World.tick_systems(_ui_world, delta)
+
+      World.tick_world(_world, delta)
+      World.tick_world(_ui_world, delta)
+
+    //render worlds
+
+      World.render(_world, _camera, "game", {"clear_color":_color})
+      World.render(_ui_world, _ui_camera, "ui")
+
+  } //tick
+
+} //
diff --git a/outline/inputs.input.lx b/outline/inputs.input.lx
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+input = {
+  nodes = [
+    { name = "ui"    where = "front"      channels = ["c01"] }
+    { name = "game"  where = "after: ui"  channels = ["c02"] }
+  ]
+}
diff --git a/outline/renderer.wren b/outline/renderer.wren
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+++ b/outline/renderer.wren
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+import "luxe: render" for Render, RenderLayerDesc, PassLayerDesc, LoadAction
+import "luxe: render" for SortType, ImageDesc, ImageType, PixelFormat
+
+class Renderer {
+
+  construct new() {
+
+    System.print("game / render / init / ok")
+
+  } //new
+
+  ready() {
+
+  }
+
+  render_path(ctx) {
+
+    if(ctx.path == "game") {
+      game_render_path(ctx)
+    } else if(ctx.path == "ui") {
+      ui_render_path(ctx)
+    }
+
+  } //render_path
+
+  game_render_path(ctx) {
+
+    var layer = RenderLayerDesc.new()
+        layer.dest.color[0].clear_color = ctx.get("clear_color", [1,1,1,1])
+        layer.dest.color[0].load_action = LoadAction.clear
+        layer.dest.depth.load_action = LoadAction.clear
+
+    ctx.layer_render("default", layer)
+
+  } //game_render_path
+
+  ui_render_path(ctx) {
+
+    var layer = RenderLayerDesc.new()
+        layer.dest.color[0].load_action = LoadAction.dont_care
+        layer.dest.depth.load_action = LoadAction.clear
+
+    ctx.layer_render("default", layer)
+
+  } //ui_render_path
+
+} //Renderer
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diff --git a/outline/settings.settings.lx b/outline/settings.settings.lx
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+engine = {
+  runtime = {
+    window = {
+      width = 960
+      height = 640
+      resizable = false
+      fullscreen = false
+    }
+  }
+
+  render = {
+    antialiasing = 2
+    stencil = 8
+    depth = 24
+  }
+}
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diff --git a/project.luxe b/project.luxe
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+// luxe 1.0.0-dev.80
+
+import "luxe: project" for Project
+
+class project is Project {
+
+  construct new(target) {
+
+    name = "space"
+    version = "0.0.1"
+    renderer = "outline/renderer"
+    settings = "outline/settings"
+
+  } //new
+
+} //Project
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