1 files changed, 78 insertions, 0 deletions
diff --git a/entity.lua b/entity.lua
new file mode 100644
index 0000000..3619993
--- /dev/null
+++ b/entity.lua
@@ -0,0 +1,78 @@
+local Entity = {}
+Entity.__index = Entity
+
+function Entity:new(x, y, width, height, physicsWidth, physicsHeight)
+    local self = setmetatable({}, Entity)
+    self.x = x
+    self.y = y
+    self.width = width
+    self.height = height
+    self.physicsWidth = physicsWidth or width
+    self.physicsHeight = physicsHeight or height
+    return self
+end
+
+function Entity:update(dt)
+end
+
+function Entity:draw()
+end
+
+function Entity:enablePhysics(world, bodyType)
+    bodyType = bodyType or "dynamic"
+    if not world then error("love.physics.World is required") end
+    local cx = self.x + self.physicsWidth / 2
+    local cy = self.y + self.height - self.physicsHeight / 2
+    self.body = love.physics.newBody(world, cx, cy, bodyType)
+    local shape = love.physics.newRectangleShape(self.physicsWidth, self.physicsHeight)
+    self.fixture = love.physics.newFixture(self.body, shape, 1)
+    if self.fixture.setFriction then self.fixture:setFriction(0.3) end
+    if self.fixture.setRestitution then self.fixture:setRestitution(0) end
+    if self.fixture.setUserData then self.fixture:setUserData(self) end
+    self.contact = { floor = 0, wall = 0, ceiling = 0 }
+end
+
+function Entity:syncFromPhysicsBody()
+  if not self.body then return end
+  self.x = self.body:getX() - self.physicsWidth / 2
+  self.y = self.body:getY() - self.height + self.physicsHeight / 2
+end
+
+function Entity:getPhysicsBody()
+  return self.body
+end
+
+function Entity:getPhysicsFixture()
+  return self.fixture
+end
+
+function Entity:setPropertiesFromOptions(options)
+  options = options or {}
+  self.properties = {}
+  if options.properties then
+    for k, v in pairs(options.properties) do
+      self.properties[k] = v
+    end
+  end
+  
+  for k, v in pairs(options) do
+    if self[k] == nil then
+      self[k] = v
+    end
+  end
+  
+  return self
+end
+
+function Entity:has(key)
+  return self.properties and self.properties[key] ~= nil
+end
+
+function Entity:get(key, default)
+  if self.properties and self.properties[key] ~= nil then
+    return self.properties[key]
+  end
+  return default
+end
+
+return Entity
+\ No newline at end of file