WindSimulationFoliage

Wind Simulation on Foliage

Code Name: WindSimulationFoliage

Description

This example demonstrates a lightweight compute-shader wind simulation: An 8x8 grid of animated noise drives a wind field that gently sways each grass blade in real time. The wind volume and its per-cell direction/strength vectors can be visualized on demand with a single key toggle(G), rendering a debug box and directional arrows directly in the scene.

Output

Controls

Input	Action
W/A/S/D	Move the camera
Mouse	Look around with the camera
Esc	Close the window
G	Enable/disable wind volume debugging

Application Parameters

Settings

Parameter / Key	Type	Usage in Code	Description	Default Value
AppSettings.ClearColor	VkClearColorValue	AppSettings::ClearColor	Background color of the screen
AppSettings.MouseSensitivity	float	AppSettings::MouseSensitivity	Mouse sensitivity value
AppSettings.CameraSpeed	float	AppSettings::CameraSpeed	Speed of the camera

Learning Objectives

• Understanding how to implement wind volume simulation using compute shaders
• Learning how to apply updated vertex data from compute shader to geometry shader
• Learning how to draw debug box for wind volume and how to show tile-based wind vectors

Shader Status

Shader Type	Status	Notes
GLSL	✅
HLSL	❌	Will be implemented.
Slang	❌	Will be implemented.

Theoretical Background

None

Extensions Used

Instance

Window system-dependent extensions:

• VK_KHR_surface
• VK_KHR_win32_surface (Windows)

Device

• VK_KHR_swapchain