A definition of physical and/or visual characteristics of a surface, often for use with rendering software or a game engine.

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20
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3answers
5k views

Difference between Material and Shader

In a game a material does only influence the visual appearance of the object. The visual appearance is effected by shaders. So regarding to terminology is there a difference between materials and ...
10
votes
1answer
1k views

Implementing a Graph-Based Material System?

I'm trying to wrap my head around how material systems like this, this are implemented. These powerful and user-friendly, graph-like systems seem to be relatively common as a method of allowing ...
6
votes
2answers
128 views

Shading Languages vs Materials in 3D editors

There are many 3d packages which are able to construct materials. Autodesk Maya, 3ds max, Houdini, etc. There are languages which are able to construct materials as well, like GLSL and Cg. How does ...
6
votes
3answers
549 views

How to create a material with variable color

I'm new to Unity and trying to create a Carrom game. Since all the White and Black pieces, Queen basically have the same material and physical properties and texture except for their color, I'm trying ...
5
votes
2answers
1k views

(Unity) Is there a way to automatically create a material for each texture and assign the texture to it?

I have imported hundreds of textures in my Unity project, and I'd like to create a material for each of them. This would obviously take a lot of time, so how would I go about doing this automatically? ...
5
votes
2answers
1k views

Detecting Light Intensity Around Characters

Later Edit Since there seemed to be a bit of confusion: I am asking this for purely didactic reasons, I'm not searching for the most efficient solution. Reformulated question: I'm working under Unity,...
4
votes
1answer
431 views

Can instantiated objects have different material/texture?

While I have some experience with simple 2D games, I am new to more process-demanding 3D games. One basic question that has been concerning me recently and for which I am having difficulties to find a ...
4
votes
1answer
795 views

Rendering different materials in a voxel terrain

Each voxel datapoint in my terrain model is made up of two properties: density and material type. Each is stored as an unsigned integer value (but the density is interpreted as a decimal value ...
4
votes
1answer
797 views

Material, Pass, Technique and shaders

I'm trying to make a clean and advanced Material class for the rendering of my game, here is my architecture: class Material { void sendToShader() { program->sendUniform( ...
4
votes
1answer
1k views

Material System

I'm designing Material/Shader System (target API DX10+ and may be OpenGL3+, now only DX10). I know, there was a lot of topics about this, but i can't find what i need. I don't want to do some kind of ...
4
votes
2answers
842 views

Unity - Water Cube (to 2D game)

I wonder if you can create a cube of water within the unity! I'm starting to use the Unity, and took a sought as to whether there was already something like this ... but have not found any tutorial ...
3
votes
1answer
6k views

How do I change the material of an object with Script in Unity?

I was making a game with Unity and I want to change an object's material using JavaScript when the player collects 5 collectables that I made. The collectables get stored in an int variable called ...
3
votes
1answer
318 views

Is there a material format for OpenCTM files?

I consider using OpenCTM files for my game. Since the format only claims to store raw mesh data, my question is if there is a associated file format for material data and paths to texture maps. For ...
3
votes
1answer
488 views

Importing materials from blender to UE4

So my problem is that I have a nice green glass material in blender which I imported to UE4 (4.8.1) but in the editor the material was just a simple green colour. I have no idea what I should do to ...
3
votes
0answers
27 views

Emissive material not casting light on itself in Unreal

I have a static mesh that has an emissive material applied to part of the mesh. The emissive material successfully cast light to surrounding objects. However, the face of the mesh with the emissive ...
2
votes
1answer
63 views

Make a plane to display material from both sides

I know there is a setting in Cry Engine, which allows you to be able to read materials of the plane from both sides, so I am wondering if there is such a setting in Unity5. Thanks in advance
2
votes
1answer
360 views

OBJ file, face materials and drawing them with OpenGL

I'm implementing a model class which loads OBJ and MTL files, and ran into an issue or question with face materials. Consider the following example: It's a cube with 5 sides Gray and 1 side Green. ...
2
votes
1answer
406 views

How do I apply a texture over a material in OpenGL ES?

How can I apply a texture over a material? I've set up an object with the following material: GLKBaseEffect *effect; effect.colorMaterialEnabled = false; effect.material.ambientColor = ...
2
votes
2answers
178 views

Materials and Mesh association

I'm trying to implement a Material system in a small engine for training and I've got questions about materials. Currently I've got that: Material: A Material with array of Technique Technique: ...
2
votes
1answer
673 views

Distortion of color space in UDK (material editor)

Question Using UDK's material editor, I wish to use a texture as a two-dimensional array of values for mathematical computations (basically, the color components of each pixel in the texture alter ...
2
votes
1answer
1k views

How do I create a manual object with colors for each vertex?

How do I create a shaded manual object with colours for each vertex? Eg if ogreObj is the Ogre::ManualObject : ogreObj->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_TRIANGLE_LIST); ...
2
votes
0answers
82 views

How to detect collisions with a material in Unity 5?

I've got a simple car game with 3 different surfaces: grass, tar and sand. I have a basic skid smoke system, but I want the color of the skid smoke to change depending on the surface, for example on ...
2
votes
1answer
131 views

Dynamiclly applied texture to gameobject using GUI button

In a scene Multiple different gameobject (almost 30 kinds of gameobject) with parent child relationship. At run time (by selecting on gui button) I want to change the texture of each clicked ...
2
votes
1answer
1k views

Adding materials to a Line Renderer through code? (Unity)

I have a material that I am using to add a glowing effect to my line renderer. I can add this as a 2nd material to the line to give it a glowing effect. I want to be able to add/remove this material ...
2
votes
1answer
2k views

Create sprite renderer using custom material

I have done following thing. Create Material Attach sprite with texture type as Texture Add sprite renderer component to game object Assign material to it that I create in last steps There is no ...
1
vote
2answers
1k views

What are 'physically-based' lighting/rendering/materials?

What's the difference between physically based lighting, physically based rendering and physically based materials? How they are different from deferred and forward rendering? And physically based ...
1
vote
1answer
55 views

Gameobjects disappearing when changing renderer.material.color

I'm generating an array of objects using this code: while(currentPosition.z < poolSize){ var ringObj = GameObject.Instantiate(ring) as GameObject; ringObj.transform....
1
vote
1answer
314 views

Unity5 imported models show no texture

I've got a problem with Unity materials. I'm a beginner- so I used Wings3d for creating 3d models. But there's a little Problem. Both objects on the picture below have the same material(a Standart ...
1
vote
1answer
40 views

How to animate material change to get a status bard effect, in unity

Imagine a long cube, like a bar, that has a dark material, and you want to animate changing its material to a light material, but do it gradually from one end to the other, like filling up a tube, or ...
1
vote
1answer
29 views

Unwanted highlight on far side of objects near the edges of the screen when using orthographic camera

I was creating a simple unity game with a sphere as a ball. The problem is that the ball face towards the camera origin renders material correctly but the one away from camera does not. The ball has ...
1
vote
1answer
58 views

How to get color or value from material with shader?

I have a sphere with a shader with colors for specific heights and I want to get the value at the cursor(height) or color of the point the cursor is on when clicked. Is there a good way to get this ...
1
vote
2answers
2k views

Depth write and depth test in Unity

Scenario: several objects (o1, o2,.., on) have to be rendered with the z test disable, but the z values must be written to the depth buffer. In another pass, some other objects (t1, t2,..., tm) need ...
1
vote
1answer
3k views

How do you rotate a material 90 degrees in UDK?

So, I have started checking out UDK since yesterday, and most of it is clear and understandable. I'm trying to create a curved road. The idea was to use a brush (Curved Staircase) and set the steps ...
1
vote
0answers
151 views

Sprite outline based on light position in UE4

I have simple sprite (for example black box) and I like to add to it outline (red line on example image) but based on light direction. I know UE4 use deffered renderer, so I cant access to lights, but ...
1
vote
1answer
233 views

Missing colors in Collada export from Blender

I've noticed something strange in a Collada DAE export from Blender. I've assigned Diffuse BDSF colors to 4 faces of a cube as shown here: http://www.4shared.com/photo/_hM04zywba/blendcube.html It ...
1
vote
1answer
31 views

Blender UV unwrapping causes texture to repeat in UDK material

I've made pillow kinda thing, unwrapped it in Blender and then I imported my mesh to UDK, applied a material: The material splits, but I don't want that to happen, I want to cover the mesh with ...
0
votes
1answer
123 views

How to find a material through a raycast in Unity 5?

I have an empty object with a script on it and I want to be able to move the empty over other objects and then have it print out the name of the material for the triangle that it's hovering above. (...
0
votes
1answer
77 views

Unity2D Sprite gone / not visible when flipped using Vector3.x

I have create game object with code using UnityEngine; using System.Collections; public class CharacterBehaviour : MonoBehaviour { private bool facingRight = true; private float moveDirection = 0; ...
0
votes
1answer
625 views

Why does changing texture change it for both objects? [duplicate]

I have two identical objects in my Unity scene. When I change the texture of one, the texture is changed on the other, almost as though the first one is a prefab. Why is this happening and how can I ...
0
votes
1answer
875 views

UE4: Apply texture on landscape based on angle

I am creating a material for my landscape. I know that one could for example use the landscapes heightmap as a mask to apply textures at certain heights, but I want to apply textures at certain angles....
0
votes
1answer
62 views

PNGs on a plane

I am trying to make a chain link fence using planes and a .png image as the texture, I am importing the whole environment from blender however this problem keeps on appearing, the plane gets the .png ...
0
votes
2answers
2k views

Unity how to change material properties at runtime

I'm working on a unity game where I want to change the color of a material from within a script. The material applies to a line renderer. I currently have the following script: using UnityEngine; ...
0
votes
1answer
48 views

Combine skin material to two elements without a visible seam

Software used: 3ds max 2015 and Photoshop CC 2014. I have two elements of the head, the "FaceHead" and "UpperHead". I used unwrap UVW for both elements and used Photoshop to add a skin color (eye ...
0
votes
1answer
712 views

Memory game - texture on cards

I'm new with Unity and I'm working on recreating memory game. I found this sample: http://xtasestudios.com/unity/samples (select "Memory"). I decided for C#. I've created my own card in Blender, ...
0
votes
1answer
201 views

Terrain (mesh) textures in Unity - blurry?

I've created a 3D mesh in blender which will be used as a terrain in Unity. Additionaly, I created a 900x900 texture which I'd like to apply as material to the mesh. However, unlike with the normal ...
0
votes
1answer
550 views

Set alpha cutoff value Unity3d

I am continuing my previous question( link ). Now its working as per this demo. and the coding written to set cutoff is here : function Update () { renderer.material.SetFloat("_Cutoff", Mathf....
0
votes
1answer
331 views

Ogre: Light not reflecting correctly

In my Ogre 3d scene I have an empty box, and within that there are three small cubes. The camera is also within the box, facing the three small cubes. The user can move and rotate the camera with the ...
0
votes
0answers
10 views

MeshRenderer.sharedMaterial does not change twice

Hi I was changing material from an object and using this code that's working well: MeshRenderer renderer = tile.GetComponent<MeshRenderer>(); renderer.sharedMaterial = Resources.Load<...
0
votes
0answers
57 views

Why does my Point light turn off if Player walks in any direction in Unity 2D?

My 2D Sprite has a material, Sprite diffuse attached to it. Now when I set up a light, it works but if I play the Game and walk, the light turns off immediately and the Player turns black. The ...
0
votes
0answers
38 views

LineRenderer doesn't apply material in 2D Unity5

I'm making something that draw lines with mouse on top of everything (in 2D), but the color of the line is always purple even though I assign a material to the line renderer. I could change the color ...