From b7dba429cfc5706751e4b228df9f174fff5ec14c Mon Sep 17 00:00:00 2001
From: a dinosaur <dino@a-dinosaur.com>
Date: Tue, 20 Aug 2024 15:14:40 +1000
Subject: [PATCH] buffer jump input

---
 Sources/Voxelotl/Player.swift | 20 ++++++++++++++++----
 Sources/Voxelotl/Random.swift |  8 ++++++++
 2 files changed, 24 insertions(+), 4 deletions(-)
 create mode 100644 Sources/Voxelotl/Random.swift

diff --git a/Sources/Voxelotl/Player.swift b/Sources/Voxelotl/Player.swift
index dc8ba28..a8cdf26 100644
--- a/Sources/Voxelotl/Player.swift
+++ b/Sources/Voxelotl/Player.swift
@@ -22,6 +22,7 @@ struct Player {
   private var _rotation = SIMD2<Float>.zero
 
   private var _onGround: Bool = false
+  private var _shouldJump: Optional<Float> = .none
 
   public var position: SIMD3<Float> { get { self._position } set { self._position = newValue } }
   public var velocity: SIMD3<Float> { get { self._velocity } set { self._velocity = newValue } }
@@ -46,12 +47,23 @@ struct Player {
       self._rotation.y = self._rotation.y.clamp(-.pi * 0.5, .pi * 0.5)
 
       // Jumping
-      if self._onGround {
-        if pad.pressed(.east) {
-          self._velocity.y = Self.jumpVelocity
-          self._onGround = false
+      if pad.pressed(.east) {
+        self._shouldJump = 0.3
+      } else if self._shouldJump != .none {
+        if pad.down(.east) {
+          self._shouldJump! -= deltaTime
+          if self._shouldJump! <= 0.0 {
+            self._shouldJump = .none
+          }
+        } else {
+          self._shouldJump = .none
         }
       }
+      if self._onGround && self._shouldJump != .none {
+        self._velocity.y = Self.jumpVelocity
+        self._onGround = false
+        self._shouldJump = .none
+      }
 
       // Movement (slower in air than on ground)
       let movement = pad.leftStick.cardinalDeadzone(min: 0.1, max: 1)
diff --git a/Sources/Voxelotl/Random.swift b/Sources/Voxelotl/Random.swift
new file mode 100644
index 0000000..45ede1a
--- /dev/null
+++ b/Sources/Voxelotl/Random.swift
@@ -0,0 +1,8 @@
+//
+//  Random.swift
+//  voxelotl
+//
+//  Created by a dinosaur on 20/8/2024.
+//
+
+import Foundation