From 5cafb38a6fde6b786ba9b45b8faba02bc8f887cf Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 22 Aug 2018 14:08:20 +0800
Subject: *update

---
 gameloop/init.lua | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 gameloop/init.lua

(limited to 'gameloop/init.lua')

diff --git a/gameloop/init.lua b/gameloop/init.lua
new file mode 100644
index 0000000..030a151
--- /dev/null
+++ b/gameloop/init.lua
@@ -0,0 +1,42 @@
+local function call(func, ...)
+    if func then 
+        return func(...)
+    end
+end
+
+function jin.core.run()
+    call(jin.core.onLoad)
+    local dt = 0
+    local previous = jin.time.second()
+    local current = previous
+    -- TODO: 重写，事件处理事件应该高频率调用
+    while jin.core.running() do
+        for _, e in pairs(jin.event.poll()) do 
+            if e.type == "keydown" then 
+                jin.keyboard.set(e.key, true) 
+            elseif e.type == "keyup" then 
+                jin.keyboard.set(e.key, false)
+            end
+            call(jin.core.onEvent, e)
+        end
+
+        previous = current
+        current = jin.time.second() 
+        dt = current - previous
+
+        call(jin.core.onUpdate, dt)
+
+        if jin.graphics then 
+            jin.graphics.unbindCanvas() 
+            jin.graphics.clear() 
+            jin.graphics.setColor()
+            jin.graphics.setFont()
+            call(jin.core.onDraw)
+            jin.graphics.present()
+        end     
+        
+        if jin.time then 
+            jin.time.sleep(0.001)
+        end     
+    end
+end
-- 
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