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- import numpy as np
- import cv2 as cv
- # add some external resources
- cv.ovis.addResourceLocation("packs/Sinbad.zip")
- # camera intrinsics
- imsize = (800, 600)
- K = np.diag([800, 800, 1])
- K[:2, 2] = (400, 500) # offset pp
- # observer scene
- owin = cv.ovis.createWindow("VR", imsize)
- cv.ovis.createGridMesh("ground", (10, 10), (10, 10))
- owin.createEntity("ground", "ground", rot=(1.57, 0, 0))
- owin.createCameraEntity("cam", K, imsize, 5)
- owin.createEntity("sinbad", "Sinbad.mesh", tvec=(0, -5, 0), rot=(np.pi, 0, 0)) # externally defined mesh
- owin.createLightEntity("sun", (0, 0, -100))
- # setup and play idle animation
- owin.setEntityProperty("sinbad", cv.ovis.ENTITY_ANIMBLEND_MODE, 1) # 1 = cumulative
- owin.playEntityAnimation("sinbad", "IdleBase")
- owin.playEntityAnimation("sinbad", "IdleTop")
- # interaction scene
- iwin = cv.ovis.createWindow("AR", imsize, cv.ovis.SCENE_SEPARATE | cv.ovis.SCENE_INTERACTIVE)
- iwin.createEntity("sinbad", "Sinbad.mesh", tvec=(0, -5, 0), rot=(np.pi, 0, 0))
- iwin.createLightEntity("sun", (0, 0, -100))
- iwin.setCameraIntrinsics(K, imsize)
- while cv.ovis.waitKey(1) != 27:
- R, t = iwin.getCameraPose()
- owin.setEntityPose("cam", t, R)
- del iwin # must be destroyed in reverse creation order
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