-- Morph targets:  the Khronos AnimatedMorphCube.  Left, its own animation blending the two
-- targets; right, the same model with weights set from the script.
local font   = fontLoad("Singe/FreeSansBold.ttf", 28)
local frames = 0

fontSelect(font)
discPlay()
sceneEnable(true)
sceneSetBackground(18, 18, 30, 255)
sceneSetAmbient(70, 70, 85)

local cubeModel = modelLoad("testScripts/Models/AnimatedMorphCube.glb")

local animated = modelInstance(cubeModel)
nodeSetPosition(animated, -1.6, 0, 0)
nodeSetScale(animated, 0.9)
animationPlay(animated, 1, true)

local scripted = modelInstance(cubeModel)
nodeSetPosition(scripted, 1.6, 0, 0)
nodeSetScale(scripted, 0.9)
local meshNode = nodeGetChildren(scripted)[1]
local names    = nodeGetMorphs(meshNode)
debugPrint("morph targets: " .. #names)

local sun = lightNew(LIGHT_DIRECTIONAL)
nodeSetPosition(sun, -3, 5, 4)
nodeLookAt(sun, 0, 0, 0)
lightSetIntensity(sun, 1.3)

local camera = nodeNew()
nodeSetPosition(camera, 0, 2.2, 6)
nodeLookAt(camera, 0, 0, 0)
cameraSet(camera)

function onOverlayUpdate()
	frames = frames + 1
	-- The scripted cube sweeps target 1 up while target 2 comes down.
	local t = (frames % 120) / 120
	nodeSetMorph(meshNode, 1, t)
	nodeSetMorph(meshNode, 2, 1 - t)
	nodeRotate(animated, 0, 0.8, 0)
	nodeRotate(scripted, 0, -0.8, 0)
	overlayClear()
	fontPrint(20, 20, string.format("Morph targets, frame %d  scripted: %.2f / %.2f", frames, nodeGetMorph(meshNode, 1), nodeGetMorph(meshNode, 2)))
	if frames == 20 or frames == 80 or frames == 140 then
		singeScreenshot()
	end
	if frames == 150 then
		singeQuit()
	end
end