Questions tagged [graphics]

Use this tag for questions involving visual presentations, whether they are generated using bitmap or vector techniques.

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24 views

Moving objects in loop in graphics.py

Currently I am trying to teach myself more about functions with parameters and return values that connects with one to another. In this code I created a square object with graphics.py that moves to ...
2
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0answers
30 views

Snake game using graphics.py

I am a self taught python beginner for about 3 months and recently I finished my own snake game project. As seen from the code, it is not very efficient nor tidy to look at so I want to know if there ...
5
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1answer
48 views

Rust code of a tree fractal

I just picked up Rust recently and this is my first program (longer than 10 lines at least) so I'm looking for constructs that are more native and natural to Rust. I come from a c++/ python background....
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0answers
53 views

Julia set in Julia (and other fractals)

I've made the following to draw a series of zooming in images of a fractal. ...
6
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0answers
26 views

Drawing a line in any direction with pixels

I am doing an image drawing and rendering library, and would like some feedback on this code, it simply draws a line in any direction. The equation for that is: m = (y2 - y1) / (x2 - x1) b = y1 - m ...
2
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0answers
90 views

Improving rendering performance of 3D Voxel Game

Improving rendering performance of 3D Voxel Game Technical features added: Perlin Noise Generator 3D Explorable World (You can't break or place blocks) Free camera, you can fly and go through blocks ...
7
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0answers
70 views

Unity3D shader for rendering 2D sprites with a pseudo-glitch effect

I'm making a puzzle game in Unity with sprite-based graphics. When the game is paused, I want to hide most game elements, because I don't want the player to be able to pause and leisurely think about ...
5
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2answers
80 views

Class hierarchy for objects in a 3D engine

I am writing my own 3D engine. I initially made the code quick and dirty but after a while the code became pretty messy and it have a lot of repeating code so I am currently cleaning up some of the ...
3
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1answer
52 views

Plot ROC, PR, and PRI curves in C# using pre-calculated coordinates

I have written a small program in C# to plot ROC, PR (equal to AP) and ...
2
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0answers
60 views

DirectX11 Error Handling

I'm new to C++, been a C programmer most of my life. I wanted to get into graphics and Direct3D is C++ so I figured it was about time. I've been learning about strings, vectors, references, smart ...
7
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2answers
91 views

Maze generator for teaching Python 3

I am teaching programming (in this case - 1 on 1 tutoring of a teenager interested in programming) and this code will be a final stage of a progression toward program generating a maze. Any comments ...
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0answers
26 views

CPU Barycentric rendering in JavaFX/Kotlin

I am writing a software renderer for the Kotlin port of Dear ImGui. In order to be feature complete, I needed to add barycentric coloring to some triangles for things such as color pickers. I have ...
2
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1answer
76 views

2-dimensional random walk simulator, draws the steps on a canvas

Here's what I came up with for a 2-dimensional random walk exercise. It takes a number of steps as input and iterates through them, while drawing every step as a line on the canvas. The direction is ...
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2answers
54 views

Drawing graphics and text using macOS Core Graphics

I have a small python project, which draws graphics and text onto a graphics context using MacOS's Core Graphics APIs. The idea is to make it easy for the user to write a few short lines, in order to ...
4
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1answer
56 views

Analyzing spoke overlaps during rotation: Round 2

Round 1: Analyzing spoke overlaps during rotation I previously posted this question, but I've changed a lot of the code since then. There was a mention of the previous being a bit mixed up, and ...
6
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1answer
58 views

Analyzing spoke overlaps during rotation

For a personal project that I've recently started I have to analyze the rotation of two shapes with sets of spokes, where the spokes are evenly-spaced, and split into a given number. That is, if I ...
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0answers
251 views

Voxel Engine with Vulkan

Here is my voxel engine. I want some review for performance on the renderer. What can be improved? What must change? Also I'm not sure it is efficient to use vkWaitQueueIdle for syncing. The end goal ...
13
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2answers
483 views

Sierpiński's carpet fractal animation for teaching Python 3

I am teaching programming (in this case - 1 on 1 tutoring of a teenager interested in programming) and this code will be a final stage of a progression toward program generating a nice image of ...
4
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2answers
143 views

Portrait Painting Genetic Algorithm

Inspired by this article. I've been trying to learn more C# and OOP. Here is my take on a genetic algorithm as described in the article. Here are some of the results flower jelly lighthouse beach ...
4
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1answer
105 views

Drawing consecutive rectangles with an algorithm

I have an assignment to draw rectangles that get larger and larger each time I draw them. Just like shown below. I've labeled them TL = Top Left, TR = Top Right, BL = Bottom Left, BR = Bottom Right. ...
3
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0answers
108 views

Implementing Cyrus Beck algorithm for convex polygons

I have found the coordinates of the centroid for finding the direction of the normal vectors of the edges of the convex polygons. This method seems to work in the cases I tested. Is this fool proof ? ...
5
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0answers
41 views

CMYK shadings implementation for PGF

PGF is a graphics framework for \$\TeX\$ and friends. It supports shadings (gradients), but only in RGB. There is often a need to output shadings in CMYK and I am having a go at implementing this. I'...
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0answers
33 views

Drawing sprites and adding new ones

I have some code that draws sprites and and allows new ones to be added. To do this, I use 2 lists: 1 for the sprites that need to be drawn, and one for the new sprites that need to be added to the ...
3
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1answer
61 views

Generic pixel class to seamlessly alpha-blend and convert between different pixel structure layouts

Does what it says in the title. I just finished this and wanted to share with someone. Looking for possible optimizations, bugs (most of it is tested to work) or any constructive criticism. ...
5
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1answer
149 views

Animating a screw made up of elements

I am working on code to generate a screw made up of different elements and animating it by rotatation. The elements are so called conveying elements (denoted by GFA)...
3
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1answer
39 views

Tone Mapping image manipulation

This code is extremely slow and ideally I would appreciate someone walking me through getting this going on the GPU, but if nobody has time for that which is understandable, any and all optimisations ...
5
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1answer
89 views

Drawing a grid-based particle system

For some time now, I've been working on a game which is superficially similar in appearance to this one. A world is filled with particles that move and change state frequently (per frame, often). ...
10
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3answers
162 views

Generating image gauges from a value, min and max

One of the things I was recently investigating was the ability to generate "gauge" charts—that is, a chart which shows where a value stands within a range of values. As an example, if we know ...
3
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2answers
150 views

Math matrix, mainly for graphics

I wrote a matrix library to replace my old matrix library. I was using my old matrix library to do basic operations for 3D rendering but that library grew old and now I'm seeking to replace it. I'm ...
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2answers
574 views

Adding text to video frames

I'm currently trying to add text to a video. To do so I've been manipulating each frame by adding text to each bitmap and then rendering a new video. ...
4
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0answers
45 views

TikZ: Arrow pointing to circle from inside through two points

Originally posted here; this comment suggested that I ask this question on this site instead. The code at the bottom produces the correct drawing, shown below. The issue is that I don't think I drew ...
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0answers
120 views

GLSL Simplex Noise with derivatives

I recently made 2d simplex noise based coherent noise in GLSL. [Here] is the shader toy. I wanted to make an implementation of simplex noise on the gpu in order to get better performance than the CPU ...
6
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2answers
132 views

Sims-style walls part 2: Flood fill

A follow up to this post. I've ported all of it to Unity, and generally cleaned it up a little, but looking over the code, the code for flood filling is messy and repetitive. Here's a visual of how it ...
6
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1answer
81 views

Drawing circles from array to a Form

I've actually been struggling with painting with VB.Net for a few weeks. All I know is that I shouldn't use CreateGraphics if I can avoid it, so I've done just that....
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0answers
119 views

Drawing a chessboard pattern using a nested for loop

I've been messing around with a software called Processing, used for user interactions and a lot of cool things. I programmed a pattern from a Chess set but I'm not sure if it's the best way to ...
2
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2answers
291 views

Drawing a castle and towers with acm.graphics

The following code is my solution of exercise 10 of chapter 5 of The Art and Science of Java. So here, using acm program and graphics, I need to draw a castle with two side towers and other three ...
3
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1answer
104 views

Voxel engine to draw cubes

I am an amateur in OpenGl and for this reason I am seeking to learn only modern OpenGl the 4.x stuff. Once I had completed basic tutorials (rotating cubes, for example) I decided I would try and ...
7
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2answers
824 views

Drawing a circle segment

I wrote code to draw a circle segment, such that the segment angle will be facing the mouse. My code: ...
2
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0answers
185 views

Draw a panel control with a sunken look

I am relatively new to visual studio. I am in the process of creating a custom control and the same time learning. I have put together the beginning of this control and will love to get some input. ...
4
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1answer
695 views

Drawing a word, with a box around one letter

I'm working on a draw function which needs to draw the word 'crux' in the center of the current view and then draw a red box around the 'x' character like this: My ...
0
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1answer
118 views

OpenGL framework “SOGL”

Here is my repo, pull requests are always welcome ^^ I know that OpenGL frameworks already exists (OGLPlus, for example) but I developing another one following this set of reasons: To understand how ...
4
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3answers
424 views

Simulating a closed particle system in Java

I have this program that simulates a closed particle system. Closed in this context means that the sum of all energies is constant. My primary concern is code itself, yet I would like to hear comments ...
3
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1answer
505 views

Java - fill triangle function

I am starting to work on a basic 3D renderer for fun, so right now I have made a triangle fill function to be used when I draw faces on models: ...
6
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2answers
283 views

2D SDL Asteroids-like game

I am writing an Asteroids clone in SDL2 using in C. I have written a game loop function that seems to work with no stutter, however I would just like to ensure my game loop will be fast and efficient ...
2
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1answer
366 views

Method to draw an open or closed polyline

I'm writing a simple 2D rendering class. Below is the method that creates a polyline. A polyline can be closed or not according to a parameter closed. ...
14
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1answer
218 views

Writing little package for rubber ducks in tikz

I'm currently working on a little latex package to bring rubber ducks into tikz (a continuation from https://tex.stackexchange.com/a/347458/36296). As this is the ...
2
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2answers
3k views

Java Drawing House

Can anybody tell me if there is a better way code this? As an exercise I was supposed to draw a simple house, and this is the main body of the code I have only I feel it could be way better but can't ...
3
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1answer
63 views

Binary values in hexidecimal notation written directly to video memory

In X86 Legacy boot loader prologue the first seven instructions preserve the state of the 8 general purpose and 6 segment registers. This is where they are displayed, right justified without leading ...
5
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1answer
728 views

CLIGL - A library for command line graphics

About a year ago I wrote a small library for drawing graphics on the windows command line. I mostly used it for small projects, like a raycaster and a raytracer. I just rediscovered it today, at the ...
5
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1answer
189 views

Conway's Game of Life in Win32/GDI

I've implemented Conway's Game of Life using the raw Windows API and GDI as an exercise. I'm wondering if there is room for improvement, though. Beware, large amount of code following: CGOL.h: <...