*Note: This tutorial is Part 2 to "3D Coat 4.7- Sci-Fi Detailing I- Normal Map Sculpting". New!! Sci-Fi Alpha Brush Collection- Volume #3 & Sci-Fi Dropship Model and Textures. *Bonus: Includes 100 Free Sci-Fi Alpha Brushes. Topics: Input Normal Map Creation, Creating Automated Input Maps, Selecting Smart Materials, Editing Smart Materials, Creating Modified Smart Materials, Baking & Exporting PBR Materials, Export Presets, Importing Textures into Lightwave. Perlin and other noise can be used to quickly build up a procedural node tree inside Mari without having to import images to use or hand paint.3D Coat 4.7- Volume #23- Sci-Fi Detailing II- PBR & Alpha Brushes In this twenty-third video volume of 24 volumes 3D Instructor Adam Gibson demonstrates how to use 3D Coat's powerful PBR Materials and Alpha Brushes to bring realistic detail to a Sci-Fi Dropship. Making sure the Size is relative to the object is important to sell the scale. This demonstrates how this is used to add some variety to the bump of this shader. This allows you to add some variety in the bump of the shader. You can plug a Perlin node into the Over input on the Merge node, which allows the overlay's dark and light values to show through on what you already have. This feeds into the Bump Channel node which leads into a Principled BRDF Shader. Here we have a flat color with a Perlin node being merged on top with the Overlay mode. If you have a very flat looking colored metal, or a bump map that needs a bit of undulation, using a Perlin noise overlay can add breakup in lots of different ways. Perlin Noise Channel BreakupĪnother good use of the Perlin node and other noise nodes is applying break up to different texture maps. Tip:You can also experiment with the other blend modes, like Overlay or Add to get different effects for different situations. Using a second Merge node on the mask to add Perlin breakup. The multiplication erodes the node that is added to the base input to break it up and make it look dirtier. You can adjust the blend Amount property to change how much the blend is multiplied by. Using the Multiply mode takes the dark values of the Perlin node and blends those values into your dirt mask. By using a Merge node you can add extra detail to your textures by using a mask input. You can multiply a noise node into the node tree of your mask to add some dirt to your asset without hand painting. Adding Color Breakup Without Hand Painting The result of feeding the Merge node into the Base Color. Our initial Node Graph setup for merging in a dirt texture. This is the existing setup: some simple block colours shown through the flat Base Color and the Shaded view through a BRDF shader.Īdd another texture, which in this example is a Tiled node with a sandy texture plugged into the Over inputĪdd a mask to define where the dirt will go.įeed the Merge node into the Base Color input. The Mari noise nodes are great ways to create quick masks, or add breakup to pre-existing masks. This example uses a Perlin node with an existing mask to add a dirt effect. Perlin: Node Graph Workflow Example Perlin Noise Mask Breakup Perlin Node PropertiesĬhanges the pattern frequency of the noise. For example, the UV node allows you to use an object's UV space rather than 3D space. Some nodes can be used to manipulate the Perlin noise. Position - The node works in the 3D space, but by adding a node to the Position input you can manipulate how the Perlin noise is applied. The Perlin node generates noise in 3D space, but you can manipulate this by entering an input into its Position input. The Perlin node is great for masking or adding variety when paired with a Merge node. The Perlin node is a procedural noise node that creates a basic two color soft and random texture. Access: Nodes > Procedural > Noise > Perlin
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