Any part of an object or graphic that light does not fully reflect off of, and thus can be seen through. Also applies to translucency effects.

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1
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1answer
38 views

Change the alpha blending color of scaled textures

It looks like semitransparent pixels are blended with while color when textures are drawn scaled. It is very noticeable and looks ugly when textures are drawn on dark background. public class ...
0
votes
1answer
51 views

JAVA: How do I use BufferedImage to properly render a PNG with Transparency?

I've been around the internet for about 5 hours and found no solution to my issue, so hopefully someone will help me. So' I've been trying to make a simple game. In previous oportunities I've used ...
0
votes
0answers
16 views

Unity VR: Possible to render a multiple mesh/material model transparent without seeing innards?

I would like to render a model in VR using Unity. This model consists of multiple meshes, some with different materials. I would like this entire model to fade in and out without having depth sorting ...
3
votes
2answers
117 views

Why is my alpha transparency not working correctly in Unity?

In Unity I have never seen a bug quite as weird as this one. As usual, I import my texture with a transparent background and then check the alpha is transparency box and apply it, and everything ...
3
votes
0answers
60 views

Optimal batching for 2D objects with transparency

I have a collection of 2d objects with transparency. Each object has a depth value to determine draw order and a material. I'm trying to batch them in an optimal way to minimize draw calls. Assume ...
0
votes
0answers
106 views

Light only passes through static mesh when selected - Unreal Engine 4

I just started working with UE4 and this issue has been bothering me for a couple of nights now. There are two questions regarding this problem on Unreal AnswerHub, but none of them offers a solution. ...
7
votes
1answer
239 views

Depth Peeling implementation problem: How to render the next layer? (OpenGL)

I try to implement order-independet transparency sticking to the pseudo code in the linked paper (page 4). I can't figure out how they are able to do this in OpenGL. I am rendering the scene two ...
0
votes
1answer
66 views

OpenGL color overlay

I want to create a pause menu where everything in the background gets darker. I've looked up a bunch of possible solutions (even the second page on google) but it doesn't seem to work. I do already ...
0
votes
1answer
82 views

Problem with transparent textures in SFML

I have been told that this is kind of a common problem with transparent textures, but didn't get any further information on how to solve it. In my code, I'm trying to render this texture (a square ...
6
votes
1answer
202 views

How to detect collision only in non-transparent texture?

I am developing a game using libgdx. I am trying to detect the collision between bee and tube. I am using the following code to detect the collision. if(player.getBounds().overlaps(boundsBot)){ } ...
3
votes
0answers
100 views

Unusual black squares in transparency effect after wake from sleep

I've encountered unusual black squares in semi transparent textures for a while now, usually in processes that were resumed after the computer woke from sleep. For example I've seen the effect in the ...
3
votes
2answers
85 views

How to render transparent meshes without sorting? [duplicate]

Let's assume we have some arbitrary triangle manifold meshes which are transparent. How real guys effectively render it? Is it possible todo it without sorting faces back to front (e.g. via bsp) and ...
3
votes
2answers
50 views

How can I render all objects behind a plane with a specific transparency value?

I have a game where there a multiple floor levels between the player switches. The floor is not present everywhere, so you can look through it. When 'working' (playing, building stuff, etc.) on a ...
1
vote
0answers
44 views

Transparent Game Window (Windows 7 x64) [closed]

i want to develop mode to minecraft but if i start minecraft i've got this how can i repair this ?
0
votes
2answers
1k views

How to change alpha of a sprite through script in Unity

I have 4 buttons and they each flash when the button is pressed. However if you were to press a button, then while the button is darker (flashing) click another one, that button then stays dark. I ...
0
votes
1answer
5k views

How to change the transparency of an object in Unity c# scripting?

I have laser-object in my scene, which I want to be seen only when I press the 'E' button on the key board(just an example of a key). I have seen many ways to change the transparency , however, none ...
3
votes
2answers
438 views

Color key or transparent images?

Ive seen a lot of people make sprite sheets magenta instead of transparent and then they make the magenta transparent using code. What is best (Performance) to use transparent images or use a color (...
4
votes
1answer
151 views

How do I check for collision between transparent textures?

I am creating a 2D game using OpenGL. For sprites, I use textured quads (actually two triangles). The texures contain transparent pixels, since objects are not always perfectly rectangular. How do I ...
1
vote
0answers
80 views

Why is my partially transparent image blitted fully opaque?

I have a part in my program that should display the currently playing song's name for the first 4 seconds, then fade out. Even though Surface.get_alpha() returns expected results, the image still does ...
1
vote
1answer
275 views

How can I draw some of my XNA models semi-transparent? (C#, XNA 4.0)

I've recently made some basic Blender models without transparency for a new game I've been working on, but I'm having some problems rendering them semi-transparently. Namely, I haven't been able to ...
0
votes
0answers
113 views

Looking through transparent voxels doesn't show other blocks

In my voxel game, looking through the transparent water blocks can sometimes cause blocks in other chunks not to show. The water is in its own VBO, and the face facing the other chunk (in the ...
1
vote
0answers
73 views

Building Irregular terrain in tile-based approach

I'm starting to build a 2D game, metroidvania-like, tile-based and all. I've had some prior experience in it, and one of the major letdowns of those prior games was that worlds seemed too "blockish", ...
0
votes
1answer
202 views

Artefacts when drawing textures

I am working on a level-based android game. The level is constructed of many blocks, all drawn with the same texture. Until now I didn't have any problems with drawing the different textures next to ...
1
vote
1answer
130 views

Alpha blending, transparence and z-ordering

I'm making some tests with alpha blending in a projet and I don't understand something. In my tests I've done something like that and everything look good: Draw blue box first (depth test: true, ...
2
votes
1answer
507 views

How do I procedurally create a directional light cone with an HTML canvas?

To create a directional light effect, I want to draw this kind of transparency mask on an HTML canvas (using context2d): I also want to be able to generate such a mask dynamically. I've tried using ...
5
votes
1answer
1k views

How can glass breaking effect from Smash Hit be achieved? [duplicate]

I saw Smash Hit the other day and was amazed by the physics of the game, specially the shattered glass effect: I've read other posts about this subject but I still feel that they don't share enough ...
14
votes
7answers
3k views

What does the term “channel” mean when used in regards to computer graphics?

I was studying terminology for computer graphics, and this statement came up that confused me. The image can have alpha channels for transparency. I tried searching for the meaning of the term "...
0
votes
3answers
3k views

how to design transparent screen in libgdx

this question is for LibGdx geeks. I want to make transparent screen in my game. For example, when level completes I want a new transparent screen pop up and show player's high score, buttons to ...
0
votes
2answers
161 views

How to control which polygons get rendered first in a batch (e.g. to draw leaves)?

Sorting transparent objects is a well-known problem. If you send a bunch of transparent polygons (e. g. leaves and branches on a tree) into the GPU and render them with alpha blending enabled, the GPU ...
0
votes
1answer
357 views

Render scene twice in OpenGL, overlay second render with tranparency

Is it possible to render two scenes (same scene with different setups) without any alpha, and after that is done just overlay the result from the second render on top of the first layer with a static ...
2
votes
1answer
634 views

When should I use color keying vs PNG transparency?

SDL (and other toolkits) can use color keying to make a certain color in an image transparent. Alternatively, you could load a PNG image that supports transparency. When should I use which?
0
votes
1answer
3k views

Transparency in opengl - texture with alpha, color from background [duplicate]

I have to draw texture with transparent areas on square. But I don't want this transparencies to take color from this polygon, but from the background. Do you have any good tutorial to achieve it? --...
0
votes
1answer
721 views

Correct GL settings to mix 2D and 3D rendering

I'm programming a 3D game engine with 2D GUI. The GUI objects have partially transparent textures and the transparency works more or less. The sky color is rendered in transparent areas of the ...
3
votes
1answer
1k views

Alpha Blending: use the pixel with the smallest alpha

I'm writing a transparency shader where I need any intersecting textures to, wherever they overlap, take the texture pixel with the smallest alpha value and render only that, discarding the other ...
1
vote
1answer
1k views

How do I make parts of a texture transparent in Max?

I am applying an eye.psd eye-texture to my character model's face, but the results aren't what I'm expecting. Here's what it looks like (Observe the eye on the right. Ignore the other one.): The ...
1
vote
3answers
3k views

OpenGL - How to draw a transition of two textures on one quad?

I know when drawing a rectangle, if we select red and draw two vertices, and then select yellow and draw the other two vertices, the entire rectangle will show a nice transition of color between those ...
0
votes
0answers
46 views

OpenGL - How to use depth checking and alpha blending at the same time? [duplicate]

Suppose I have a semi-transparent object (let's call this "bubble"), a solid object (let's call this "wall"), and the bubble is closer to the camera compared to the wall behind it. If I draw the ...
0
votes
1answer
442 views

What image format supports transparency in Android?

I want to show an apple on screen but the image has a white background and it doesn't blend with the background of a tree. Is there any image format in which only the red apple is displayed?
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 ...
2
votes
3answers
832 views

Order of render with transparency opengl

I tried to render using different render configurations (GL_BLEND_FUNC()) but I couldn't get the back object to render in certain angles. The first screenshot here shows one angle where the back ...
10
votes
3answers
10k views

How do I render a PNG with transparency in LibGDX?

I'm building a simple tic-tac-toe example with LibGDX. I have simple images: cross, circle and board, all pngs created with GIMP with a transparent background. How can I render them as a Texture with ...
1
vote
1answer
2k views

Rendering a image with some transparency has removed all black pixels and makes full texture transparent

I am writing a program where with Directx11 I am rendering a texture to a flat rectangle something along the line a of 2D engine. Now parts of this image need to be transparent, to this effect I ...
1
vote
3answers
331 views

Rendering order

In this thread Rendering a model with transparent or translucent uv map applied doesn't work , I asked about what was wrong with my model that the transparency wasn't working. I've got an answer ...
0
votes
0answers
106 views

Rendering a model with transparent or translucent uv map applied doesn't work

Before I try to make anything transparent, the model renders nicely. When I change the uv layout so that one piece of the model will be transparent, it renders horribly. This is the result with a ...
1
vote
1answer
3k views

Keyframing or programmatically changing attachment transparency in Spine

I've just recently been getting to grips with Spine and Unity 2D, porting some of my assets from different sources (SWFs, SVGs, GIFs, Canvas animations). Whilst I'm able to reproduce a lot of what I ...
1
vote
1answer
606 views

Clearing an SFML scene with a partially transparent color

Is there way to clear a scene with a transparency (alpha) value, in pure SFML? I'm trying to clear with rgba(0,0,0,128) so the previous frame still partially shows through, which would create a ...
0
votes
0answers
387 views

Unity3D object fill shader

I've been researching this for a while, and had no luck yet. I figured I'd ask here to see if anyone had any good ideas. Essentially what I want is a shader that can make only part of an object ...
2
votes
2answers
529 views

fast java2d translucency

I'm trying to draw a bunch of translucent circles on a Swing JComponent. This isn't exactly fast, and I was wondering if there is a way to speed it up. My custom JComponent has the following ...
1
vote
0answers
3k views

Drawing and rotating bitmaps (with transparency) efficiently in Android

I just started making a game for Android and I'm already having some issues regarding performance. You can imagine the game as being some kind of Tower Defense game with a top-view, and the enemies ...
0
votes
2answers
729 views

HTML5 Canvas Parsing image into tileset while preserving transparency

I'm trying to import a Tiled Map Editor JSON file into my HTML5 canvas game but I'm having trouble with separating out the tileset image into separate images while preserving the transparency. ...