[examples] Add shader example: vertex_displacement

[lloydlobo]

Description

This PR ports vertex displacement example from raysan5/raylib#4186.

It simulates a "simple wave effect in the ocean" via vertex displacement on a plane model.

See original live preview here.

Version

5.5

Test Platform

Linux (pop-os)
Platform backend: DESKTOP (GLFW)

Architecture:             x86_64
  CPU op-mode(s):         32-bit, 64-bit

Distributor ID: Pop
Description:    Pop!_OS 22.04 LTS
Release:        22.04

GL: OpenGL device information:
    > Vendor:   Intel
    > Renderer: Mesa Intel(R) UHD Graphics 630 (CFL GT2)
    > GLSL:     4.60

Preview

[gen2brain]

Thanks. The PNG and GIF files are not used in the code, right? Can you remove them?

[lloydlobo]

Thanks. The PNG and GIF files are not used in the code, right? Can you remove them?

Sure thing :)

Yeah, I can remove them. The PNG and GIF files are simply for reference and aren't used at all in the game loop.