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You can modify the alpha representation of a blocking material when there is a barrier between the character and the camera, such as a wall.
Using Unityengine;
Using System.Collections;
public class Example:monobehaviour {
void Update () {
Raycasthit[]
Hits
hits = Physics.raycastall (Transform.position, Transform.forward, 100.0F);
int i = 0;
while (I hits. Length) {
Raycasthit hit = Hits
;
Renderer Renderer = hit.collider.renderer;
if (renderer) {
Renderer.material.shader = Shader.find ("Transparent/diffuse");
Renderer.material.color = new Color (RENDERER.MATERIAL.COLOR.R,
RENDERER.MATERIAL.COLOR.G,
Renderer.material.color.b,
0.3F);
}
i++;
}
}
}
You can also show the perspective of a person like the light of a torch.
Draw occluded part ZTest Off, ZTest Greater
Draw the ZTest part of the mask on, ztestlequal
Effect
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X-ray effect of "Unity3d" Torch Light
