* Menu Screen

* SFX * Player Sprites
2021-08-03 02:22:07 +05:30
parent f2e4f56366
commit 5bd12d5a65
13 changed files with 1107 additions and 29 deletions
--- a/screens/menu_screen.wren
+++ b/screens/menu_screen.wren
@@ -0,0 +1,105 @@
+import "graphics" for Canvas, Color
+import "./controls" for Controls
+import "config" for Config
+import "levels/level1" for Level1
+import "screens/credit_screen" for CreditScreen
+import "audio" for AudioEngine
+import "font" for Font
+import "math" for Math
+
+class MenuScreen {
+    construct new(gameState) {
+        __gameState = gameState
+        // var channel = AudioEngine.play("menu_music")
+        // channel.volume = 0.5
+        _selectedMenuIdx = 0
+        _prevMenuIdx = 0
+        _fadeFrame = 255
+        _menuItems =  [
+            {
+                "name": "Start",
+                "selected": true,
+                "class": Level1,
+                "font": Font.default,
+                "padding": 20
+            },
+            {
+                "name": "Credits",
+                "selected": false,
+                "class": CreditScreen,
+                "font": Font.default,
+                "padding": 40
+            }
+        ]
+
+    }
+
+    update() {
+        if(Controls.isKeyDown(Config.KeyboardConstants["SELECT"])) {
+            __gameState.switch(Level1)
+        }
+
+        if(Controls.justPressed(Config.KeyboardConstants["UP"])) {
+            _prevMenuIdx = _selectedMenuIdx
+            if((_selectedMenuIdx-1) < 0) {
+                _selectedMenuIdx = (_menuItems.count - 1)
+            } else {
+                _selectedMenuIdx = _selectedMenuIdx - 1
+            }
+            AudioEngine.play("select")
+        }
+
+        if(Controls.justPressed(Config.KeyboardConstants["DOWN"])) {
+            _prevMenuIdx = _selectedMenuIdx
+            if((_selectedMenuIdx+1) > (_menuItems.count - 1)) {
+                _selectedMenuIdx = 0
+            } else {
+                _selectedMenuIdx = _selectedMenuIdx + 1
+            }
+            AudioEngine.play("select")
+        }
+        
+        if(_prevMenuIdx!=_selectedMenuIdx) {
+            _menuItems[_prevMenuIdx]["selected"] = false
+            _menuItems[_selectedMenuIdx]["selected"] = true
+        }
+
+        // _fadeFrame = (_fadeFrame+3) > 255 ? 0 : _fadeFrame + 3
+
+        _fadeFrame = Math.floor(127 + (127 * Math.cos(System.clock)))
+        System.print(_fadeFrame)
+    }
+
+    draw(dt) {
+        
+        drawTitle()
+        
+        for(menuItem in _menuItems) {
+            drawMenu(menuItem)
+        }
+
+        drawBlinker()
+    }
+
+    drawTitle() {
+        Canvas.print("REBIRTH",Config.W/2 - 40,Config.H/2 - 20, Color.white, "font_title")
+    }
+
+    drawMenu(menuItem) {
+        var x = Config.W/2 - ((menuItem["name"].count * 8)/2)
+        var y = Config.H/2 + menuItem["padding"]
+        Canvas.print(menuItem["name"],x ,y , menuItem["selected"] ? Color.red : Color.white, menuItem["font"])
+        if(menuItem["selected"]) {
+            Canvas.print(">",x - 10 ,y , Color.red, menuItem["font"])
+        }
+        // Canvas.print("Credits", Config.W/2 - 28, Config.H/2 + 40, Color.white, Font.default)
+    }
+
+    drawBlinker() {
+        Canvas.print("Press X to start",Config.W/2 - 64,Config.H/2 + 100, Color.new(255, 255, 255, _fadeFrame), Font.default)
+    }
+}
+
+/*
+(Character length * 8 ) / 2 
+*/