Directional Light

By Mike Blackney

“Directional Light” is one of 6773 effect filters in Filter Forge – mighty graphics software for Windows and Mac with thousands of photo effects and seamless textures, and a visual editor to create your own filters. Apply this effect to any image in one click, tweak filter settings, or browse through 30,000 randomized variations to alter its appearance. Download Filter Forge to use this effect.

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About This Filter

Author

Description
This simple (non-surface) filter applies a directional light to an image and is intended for use on normal maps or high-quality height maps.The filter creates a light vector and calculates the dot product between the surface normal and the light.Normal map generation based on "Normal map Assembler" filter created by Sphinx.

Keywords
Snippet, light, 3d, render, surface, specular, shading, Phong, bounce, math, dot.

Rewards
This filter has earned its author one of our rewards. They are given to the authors of popular filters and include a free copy of Filter Forge.

Filter Details

Downloads: 2779

Submitted: Jan 11, 2009

Usage Rank: High

Comments (0)

Filter Controls

Bounce Light

Light X

Light Y

Normal Sampling

Spec Gloss

Spec Hotspot

Display Normal Map

Image is Normal Map

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Directional Light

By Mike Blackney

Variations

About This Filter