Merge pull request #20 from mcclure/rawinput

"Raw Input" example

examples/Debugging/RawInput/main.lua

@@ -0,0 +1,67 @@
+-- Display all input devices as floating text
+-- Sample contributed by andi mcc
+
+local function appendMovement(s, device)
+  a,b,c = lovr.headset.getVelocity(device) a = a or -999 b = b or -999 c = c or -9999
+  s = string.format("%s vel %1.1f,%1.1f,%1.1f", s,a,b,c)
+  a,b,c = lovr.headset.getAngularVelocity(device) a = a or -999 b = b or -999 c = c or -9999
+  s = string.format("%s   ang %1.1f,%1.1f,%1.1f", s,a,b,c)
+  return s
+end
+
+local lines = {}
+local function lineWidth(i, w)
+  lines[i] = lines[i] and math.max(lines[i], w) or w
+  return lines[i]
+end
+local controllerData = {}
+local function controllerFetch(k)
+  if not controllerData[k] then controllerData[k] = {} end
+  return controllerData[k]
+end
+
+local function drawText()
+  local hands = lovr.headset.getHands()
+  -- Head
+  local s = {string.format("%d controllers", #hands),
+             appendMovement("head ", "head")}
+  for i,controller in ipairs(hands) do
+  	local c = controllerFetch(controller)
+    table.insert(s, false)
+    -- Axes
+    local axes = ""
+    for i2, axis in ipairs{"touchpad", "thumbstick"} do
+      local x,y = lovr.headset.getAxis(controller, axis)
+      if x and y and (x ~= 0 or y ~= 0) then c[axis] = true end
+      if c[axis] then -- Show an axis if it is, or ever has been, non-nil non-zero
+        axes = string.format("%s%s x %1.1f, y %1.1f; ", axes, axis, x,y)
+      end
+    end
+    -- Controller name and axes
+    table.insert(s, string.format("%d (%s): %strig %1.1f; grip %1.1f", i, controller, axes, lovr.headset.getAxis(controller, "trigger") or -999, lovr.headset.getAxis(controller, "grip") or -999))
+    s[#s] = appendMovement(s[#s], controller)
+    -- Buttons
+    table.insert(s, "DOWN")
+    for i,name in ipairs({"grip", "trigger", "touchpad", "thumbstick", "menu", "a", "b", "x", "y"}) do
+    	s[#s] = string.format("%s %s:%d", s[#s], name, lovr.headset.isDown(controller, name) and 1 or 0)
+    end
+    table.insert(s, "TOUCH")
+    for i,name in ipairs({"grip", "trigger", "touchpad", "thumbstick", "menu", "a", "b", "x", "y"}) do
+    	s[#s] = string.format("%s %s:%d", s[#s], name, lovr.headset.isTouched(controller, name) and 1 or 0)
+    end
+  end
+  -- Display
+  local font = lovr.graphics.getFont()
+  local fh = font:getHeight()/2 -- Half size render
+  local top = 2 + fh*#s/2
+  for i,line in ipairs(s) do -- Manually center using maximum width of each line so it jiggles less
+    if line then
+      local w = lineWidth(i, font:getWidth(line))
+      lovr.graphics.print(line, -w/2/2, top-fh*i, -3, .5, 0,0,1,0,0, "left")
+    end
+  end
+end
+
+function lovr.draw()
+	drawText()
+end