collision death state and basic HUD

1 files changed, 48 insertions, 0 deletions

diff --git a/player.lua b/player.lua
index 14f0885..a09e887 100644
--- a/player.lua
+++ b/player.lua
@@ -15,6 +15,9 @@ function Player.new(world, spawnX, spawnY)
   local pw, ph = 16, 16  -- physics body size
   local self = setmetatable(Entity:new(spawnX or 0, spawnY or 0, w, h, pw, ph), Player)
 
+  self.spawnX = spawnX or 0
+  self.spawnY = spawnY or 0
+
   self.directionState = { 'side', 'up', 'down', 'side_up', 'side_down' }
   self.directionIndex = 1
   self.direction = self.directionState[self.directionIndex]
@@ -65,6 +68,9 @@ function Player.new(world, spawnX, spawnY)
   self.isInLiquid = false
   self.wasInLiquid = false
   self.waterSurfaceContact = false
+
+  self.isDead = false
+  self.respawnTimer = 0
   return self
 end
 
@@ -98,6 +104,17 @@ end
 
 function Player:update(dt)
   self:syncFromPhysicsBody()
+
+  if self.isDead then
+    self.respawnTimer = self.respawnTimer - dt
+    if self.respawnTimer <= 0 then
+      self:respawn()
+    end
+    self.currentAnim = self.animations.dead or self.animations.idle
+    self.currentAnim:update(dt)
+    return
+  end
+
   self:trackDirectionByKeyPressed()
   
   local vx, vy = self.body:getLinearVelocity()
@@ -196,12 +213,43 @@ function Player:update(dt)
     swimming     = self.animations.swimming,
     stop_running = self.animations.stop_running,
     ground_hit   = self.animations.ground_hit,
+    dead         = self.animations.dead or self.animations.idle,
   }
   self.currentAnim = animMap[self.state] or self.animations.idle
   self.currentAnim:update(dt)
 end
 
+function Player:die(nx, ny)
+  if self.isDead then return end
+  self.isDead = true
+  self.state = "dead"
+  self.respawnTimer = 4
+
+  local len = math.sqrt(nx * nx + ny * ny)
+  if len < 0.01 then
+    nx, ny = 0, -1
+  else
+    nx, ny = nx / len, ny / len
+  end
+
+  local BOUNCE_SPEED = 200
+  self.body:setLinearVelocity(nx * BOUNCE_SPEED, ny * BOUNCE_SPEED)
+end
+
+function Player:respawn()
+  self.isDead = false
+  self.respawnTimer = 0
+  self.state = "idle"
+  self.jumpsUsed = 0
+  local cx = self.spawnX + self.physicsWidth / 2
+  local cy = self.spawnY + self.height - self.physicsHeight / 2
+  self.body:setPosition(cx, cy)
+  self.body:setLinearVelocity(0, 0)
+  self:syncFromPhysicsBody()
+end
+
 function Player:jump()
+  if self.isDead then return false end
   local c = self.contact or { floor = 0, wall = 0, ceiling = 0 }
   local onFloor = c.floor == 1
   local onWall = c.wall == 1