added more samples/tests and scripts

scripts/camera_animation_repeat.lua

@@ -0,0 +1,71 @@
+-- This script will play a camera animation chain from "cam0" -to "camN" named camera proxies in the scene
+--  To use this, first place four cameras into the scene and name them cam0, cam1, cam2 and cam3, then press F8 to start
+--	The animation will repeat infinitely, but it will cut from last to first proxy at the end
+
+-- Get the main camera:
+local cam = GetCamera()
+
+-- This will be the transform that we grab the camera by:
+local target = TransformComponent()
+
+-- Get the main scene:
+local scene = GetScene()
+
+-- Camera speed overridable from outer scope too:
+scriptableCameraSpeed = 0.4
+
+-- Animation state:
+local tt = 0.0
+local play = false
+local rot = 0
+
+-- Gather camera proxy entities in the scene from "cam0" to "cam1", "cam2", ... "camN":
+local proxies={}
+local it = 0
+while true do
+	local entity = scene.Entity_FindByName("cam" .. it)
+	if(entity == INVALID_ENTITY) then
+		break
+	end
+	it = it + 1
+	proxies[it] = entity
+end
+
+runProcess(function()
+	while true do
+
+		if(input.Press(VK_F8)) then
+			-- Reset animation:
+			tt = 0.0
+			play = not play
+			rot = 0
+		end
+		if(play) then
+			-- Play animation:
+			local count = len(proxies)
+			
+			-- Place main camera on spline:
+			local a = scene.Component_GetTransform(proxies[(rot - 1) % count + 1])
+			local b = scene.Component_GetTransform(proxies[rot % count + 1])
+			local c = scene.Component_GetTransform(proxies[(rot + 1) % count + 1])
+			local d = scene.Component_GetTransform(proxies[(rot + 2) % count + 1])
+			target.CatmullRom(a, b, c, d, tt)
+			target.UpdateTransform()
+			cam.UpdateCamera(target)
+
+			-- Advance animation state:
+			tt = tt + scriptableCameraSpeed * getDeltaTime()
+			if(tt >= 1.0) then
+				tt = 0.0
+				rot = rot + 1
+			end
+
+		end
+		
+		-- Wait for render() tick from Engine
+		--	We should wait for update() normally, but Editor tends to update the camera already from update()
+		--		and it would overridethe scrips...
+		render()
+		
+	end
+end)