three.js - Select the zone where to draw shadows with DirectionalLight -


i use directional light cast shadow on ground of scene. have single object. decided have small shadow keep shadow quality. problem can't manage shift position of shadow camera , keep on top of object.

i tried several things.

  • targeting object works center of camera don't change, angle. don't want behavior. want keep same light direction.
  • changing shadowcameraright of light nothing change
  • changing shadowcameraright of shadowcamera, nothing change
  • changing position of sahdowcamera. "debugger" moves shadow stop being drawn if did not anyting

i think there must pretty easy way of doing not find it.

edit :

var light = three.directionallight(...); var myobject = three.mesh(); //moving everyframe //here want move shadowcamera object stay in frustum

best

why not using object3d?

var light = three.directionallight(...); var myobject = three.mesh();  val alltogether = new object3d(); alltogether.add(light); alltogether.add(myobject); // here set light position want (relative)  scene.add(alltogether);

in loop move object3d not mesh, moved along.


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