The process of generating an image or series of images from a model by means of computer programming.
0
votes
0answers
21 views
swapbuffer is slow, and even i don't use any render code
Even i delete all the main loop code, only use swapbuffer function the FPS didn't change any more。 there is my render code
for (int i = 0; i < 6; ++i)
{
glBindFramebuffer(GL_FRAMEBUFFER, ...
0
votes
0answers
11 views
canvas tile engine optimal drawing technique
I'm building a top down racing game in HTML5. I'm currently experimenting with performance. I currently have about 8 layers that I draw on the canvas with the car in the middle and 4 background and 4 ...
3
votes
0answers
62 views
How to disable Monogame pixel font antialiasing?
I am using Monogame 3.4 (I have held off upgrading to 3.5) and am on Windows 10. I'm drawing using the PointClamp setting (as suggested in this similar question).
Whenever I render text with ...
0
votes
0answers
35 views
How would you go about applying curvature to the rendering of a flat surface?
I want to draw a 2D planet surface. I have a set of tiles, which by themselves are flat if you draw them. Now I want to apply something to the drawing process, which makes it look curved the more you ...
0
votes
0answers
19 views
Render text and still have it interractive with minimum effort with hit-testing?
The background of the situation:
I need to render text. Text will be moving aroud the screen and
user will have ability to interact with it by erasing with a finger,
shifting the order of the words, ...
1
vote
1answer
36 views
Change Shader on This Material Via Code?
How do I change this material to have the Toon/ Lit Outline shader via code at the Start of the scene?
Here is my code that I have as of now, that does not work:
using UnityEngine;
using System....
0
votes
1answer
89 views
Is using Spherical Harmonics still viable as a technique nowadays?
I've been implementing spherical harmonics in my Engine for learning purpose.
I was wondering if Spherical Harmonics are still used in modern engine or if they moved on to the more simple cubemaps or ...
0
votes
2answers
86 views
Determine the z coordinate of a deformed plane based on uv (xy) coordinates
I am using a formula to turn the following texture
into what looks like two 3 dimensional planes
The formula I am using for the texture deformation is
float2 texUV = float2(uv.x / abs(uv.y), (1.0 / ...
0
votes
1answer
25 views
Formula for range based attenuation
I am trying to implement a simple shader for point lights, but I am struggling with the attenuation function. I know that normally you would use three coefficients (constant, linear, and quadratic), ...
0
votes
0answers
17 views
Tesselate a grid with missing points
I have a grid with a fixed number of rows, and a maximum number of columns, although there could be missing points so each column may not have the maximum. The additional problem is that the points ...
1
vote
0answers
66 views
OpenGL textures look poor
I'm having some issues loading in textures in OpenGL, as my textures keep rendering incorrectly or coming out looking muddy. For instance, here I tried to load a 256x256 color spectrum image. On the ...
0
votes
1answer
39 views
How do I draw a high-performanced scatter plot
I am new to DirectX and currently I'm trying to use it for data visualization, to be specific, a 3D scatter plot. There are very limited resources on the internet, and I have read part of Frank D Luna'...
0
votes
2answers
24 views
MonoGame rendering text with black boxes?
I have a UI manager that renders a background image and some images and buttons using BlendState.AlphaBlend. This works as intended. However, when I try and draw some text on top of it with the same ...
1
vote
1answer
40 views
How should renderer class relate to the class it renders?
I am working on making a Pong clone as a practice project. I have a PongState class with members like Ball, Paddle, Board and Score. I want to structure my code so that each object doesn't have to ...
0
votes
1answer
60 views
Isometric painter's algorithm problem
Note: I dont use tiles, I use 3D Polygons :)
I'm currently working on a real-time renderer for scanned real life objects. My main goal is to have an isometric viewer with the simple ability to rotate ...
1
vote
1answer
180 views
Implementing Valve's checkerboard rendering technique
I've been trying to implement Valve's VR checkerboard rendering technique (original document) and was wondering which way would be the best to proceed.
The thing is that I need to "abort" the ...
1
vote
0answers
80 views
Precision problems with realistically scaled planets/terrains
Recently I've been working on a realistically scaled planet engine. I found several interesting links about how to do it, what problems will come up after, and how to solve them. The approach I took ...
0
votes
2answers
51 views
How Can Create Line Renderer Runtime When Player in Gravity
I want to Create functionality Like Rock Runner Game.when player into the gravity and hold the button then generate line and player hold the line and move forward. After So many Research i couldn't ...
0
votes
0answers
115 views
Valve's Lab Renderer and custom shaders in Unity
I have found that using Valve's Lab Renderer really helps with maintaining a decent frame rate for VR applications, however, the standard shader supplied with the Lab Renderer does not always ...
4
votes
1answer
49 views
Is it possible to get vertices after Primitive Assembly step (after face culling)?
I would like to check which vertices will be rendered from direction A (with face culling enabled) and render it from another direction to visualize face culling effect.
I have found information that ...
-1
votes
1answer
50 views
Rendering with sdl_gfx is so slow, any alternative?
I have been using sdl_gfx ( sdl2 extension library https://github.com/ferzkopp/SDL_gfx ) to make Android games, I have always noticed that rendering primitives is so slow.
So I was rendering it once ...
0
votes
2answers
58 views
Anchored Unity text …not anchoring!
I've added some text to a unity UI and set both the achor and pivot to the top right corner as shown here:
When I start this in debug in unity the text looks fine:
What's weird is that when I build ...
0
votes
0answers
33 views
Directx D3D9 fails to render a primitive on a RenderTarget surface
So for some reason DrawPrimitive() doesn't seem to work with my render target surface.
// The current target, we must set it back as target afterwards
IDirect3DSurface9* temp_target;
device->...
0
votes
0answers
29 views
How to use Halton sequence in Quasi-Monte Carlo for Global Illuminaiton
I am trying to use Halton sequence numbers for MC estimator for rendering equation. At the moment I pass one instance of .Net Random object and get next number every time using same object thought the ...
0
votes
0answers
14 views
Exporting TWL's png decoder
I’m writing a game in LWJGL and using TWL's png decoder for an easy way to decode images. However, I can’t seem to work out the right deal with this when exporting images. The way they suggest is
...
1
vote
0answers
23 views
Calculating the inverse mesh of a 2D mesh inside a bounding box
If I have a mesh (drawn in red below)
How can I calculate the inverse of the mesh (drawn in red below), given that the mesh is always constrained by the same four vertices of the encompassing ...
0
votes
1answer
60 views
What is the best PBR Real Time Fresnel function
I'm working on my physically based renderer, and I've come to a sort of crossroads regarding the Fresnel factor. I'm having trouble finding the best way to represent it. I know that Schlick's fresnel ...
5
votes
1answer
215 views
Is there any less expensive way to achieve this lighting effect?
I'm creating a game that is similar to Tibia on its projection:
But I want it, under the hoods, to be 3D, and extremely dynamic - meshes generated on the fly, statues exploding and turning into smoke ...
3
votes
2answers
121 views
360 degree video of my OpenGL game
I want to make a 360 degree video of my OpenGL game.
Concerning the rendering: Is it enough to render it in OpenGL with a specific projection matrix? If yes, which one? Or can I render it into a cube ...
0
votes
0answers
49 views
Unity - Aligning a downsampled texture with the texture it was downsampled from
I have a sprite which is being drawn to a render texture
I then use the following shader to downsample that texture
Shader "Custom/Downsample"
{
Properties
{
_Texture("Texture To Downsample", 2D)...
1
vote
0answers
174 views
Unity - Trying to copy the render texture for the scene rendered by a camera but it is blank?
I'm trying to copy the scene rendered by a particular camera to a render target. I know this should be possible to do without using the camera's target texture as I read through this official Unity ...
0
votes
1answer
47 views
Is it feasible to stream your game when the screen is small?
My game consists of a very small screen (256x256). Behind that screen, though, there is a lot of very, very expensive ray tracing going on, which requires a very powerful GPU. Moreover, all clients ...
0
votes
1answer
84 views
Why does my mesh disappear from certain angles?
I'm trying to construct a hexagonal prism from vertices for my turn-based strategy game. This is my first time working with meshes and I have been following this tutorial.
The problem I am having is ...
0
votes
0answers
21 views
Quadtree render and remove objects
I am currently working on 2d multiplayer game like agar.io. I use quadtree on server side to send cells to clients base on clients' position for rendering. on clients side, I use iterator to remove ...
0
votes
0answers
70 views
How to render lenticular clouds with volume rendering?
I have learnt some volumetric clouds rendered with perlin noise or some hybrid 3D noise. Like some of the clouds on ShaderToy. All of them look really realistic. But the cloud I want to render is ...
0
votes
0answers
39 views
Does light source color defines its radiance?
My understanding is that a light source can emits wavelength in red colour; and the same red light source (viewed from the same angle) can have more intensity if it emits much more light flux and ...
0
votes
1answer
54 views
SFML: Optimizing sf::Text?
I've been noticing that using multiple sf::Text objects has a huge impact on performance.
The difference between using 1 or 4 sf::Text objects can result in almost a 40FPS drop (From 120 to 80).
...
1
vote
0answers
23 views
Multiple Depth masks rendered individually [closed]
I'm using THIS shader to create some holes in walls to serve as windows and doors.the problem is that if I put a window on a wall and look through it, other walls won't be rendered like the wall with ...
0
votes
0answers
49 views
UE4 Huge texture not rendering on Android
So i'm using a "Shape_plane" from the starter pack and i set the scale to x=500, y=500, z=1 and i set the texture to a map of my collage and on my computer it looks like this
But on my phone it looks ...
0
votes
0answers
31 views
Unity3D Only render when key is pressed
I am researching Interaction Latency - the delay between pressing a key and seeing the result on screen.
I have my Unity3D application deployed remotely to an EC2 instance on AWS. I have another ...
0
votes
0answers
36 views
How to solve this rendering issue using Unity 3d?
I recently face rendering issue using Unity 5.
I transfer the application from Oculus platform to Android platform.
But I do not know how to solve this rendering issue.
1) There is some delay when ...
40
votes
4answers
9k views
Why do modern games use a render-to-texture approach for mirrors?
When looking at old games like Mario64 or DukeNukem3D, all the mirrors in the game are essentially just holes in the wall with a mirrored copy of the geometry in front of the mirror put behind them. ...
3
votes
1answer
98 views
Render object with different shader depending on the camera
I have an object with a custom shader. When it is being rendered by cameraA, then I want it to render a particular way (ex red). When it is rendered by another cameraB, I want it to render a different ...
5
votes
2answers
176 views
Level of detail for the map of stars
I have a large list of points (millions) in 2d. Let's say it's a star map. Each star has a radius and position in space.
I want to render this map at different level of details. From a single star to ...
2
votes
0answers
42 views
Problem Rendering a Wireframe Cube and Grid with DirectX 11
I am trying to draw a 3D Wireframe (just the lines that connect each vertex) Cube and a 10x10 grid with D3D11. So far, this is my code
//************************************************************
//...
1
vote
0answers
69 views
How to render Viva Pinata fur
In the game Viva Pinata, cute virtual animals have color changing paper cut like furs.
It didn't seem like using shell rendering because there are LOTS of animals in a scene and shell rendering each ...
1
vote
2answers
62 views
Draw bug is creating a lot of Enemies
I'm working on 2d java game and I have little issues what I can't resolve.
My problem is when I want to create 5 enemies with for loop, random post is creating lot of Enemies, not 5. How can I resolve ...
4
votes
1answer
230 views
How do I pixelate a scene with SceneKit and Metal, in Swift?
I managed to get pixelation working by using the OpenGLES2 rendering API, and a CIFilter. But it was way too slow, so I want to use the Metal API and just have a very simple filter that pixelates ...
5
votes
1answer
127 views
Unity - Small holes of light seems to go through my blender mesh
So, I am currently working on a low-poly terrain in Blender which will be flat-shaded in Unity. It all works great, however I am working on a cave for the terrain, and I seem to be getting these small ...
0
votes
0answers
77 views
A few questions about Order Independent Transparency
I've been looking through several different Order Independent Transparency algorithms. But very few of them seem to answer a few things.
I understand that the idea of OIT is to not worry so much ...
