Turánszki János
74 lines
2.0 KiB
Lua
74 lines
2.0 KiB
Lua
-- This script will play a camera animation chain from "cam0" -to "camN" named camera proxies in the scene
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-- To use this, first place four cameras into the scene and name them cam0, cam1, cam2 and cam3, then press F8 to start
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-- The animation will repeat infinitely, but it will cut from last to first proxy at the end
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-- Get the main camera:
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local cam = GetCamera()
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-- This will be the transform that we grab the camera by:
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local target = TransformComponent()
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-- Get the main scene:
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local scene = GetScene()
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-- Camera speed overridable from outer scope too:
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scriptableCameraSpeed = 0.4
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-- Animation state:
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local tt = 0.0
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local play = false
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local rot = 0
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ToggleCameraAnimation = function()
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tt = 0.0
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play = not play
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rot = 0
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end
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-- Gather camera proxy entities in the scene from "cam0" to "cam1", "cam2", ... "camN":
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local proxies={}
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local it = 0
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while true do
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local entity = scene.Entity_FindByName("cam" .. it)
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if(entity == INVALID_ENTITY) then
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break
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end
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it = it + 1
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proxies[it] = entity
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end
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runProcess(function()
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while true do
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if(input.Press(KEYBOARD_BUTTON_F8)) then
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ToggleCameraAnimation()
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end
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if(play) then
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-- Play animation:
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local count = len(proxies)
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-- Place main camera on spline:
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local a = scene.Component_GetTransform(proxies[(rot - 1) % count + 1])
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local b = scene.Component_GetTransform(proxies[rot % count + 1])
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local c = scene.Component_GetTransform(proxies[(rot + 1) % count + 1])
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local d = scene.Component_GetTransform(proxies[(rot + 2) % count + 1])
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target.CatmullRom(a, b, c, d, tt)
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target.UpdateTransform()
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cam.TransformCamera(target)
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cam.UpdateCamera()
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-- Advance animation state:
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tt = tt + scriptableCameraSpeed * getDeltaTime()
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if(tt >= 1.0) then
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tt = 0.0
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rot = rot + 1
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end
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end
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-- Wait for render() tick from Engine
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-- We should wait for update() normally, but Editor tends to update the camera already from update()
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-- and it would overridethe scrips...
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render()
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end
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end) |