Demo gallery
All 187 demos, grouped by category. Each name links to the demo's own sub-project, where its page has the full description and source.
3d (28)
basic-voxel
an 8x8x8 voxel block, click one out. Run it with bb basic-voxel.
billboard-rendering
camera-facing quads, one spins. Run it with bb billboard-rendering.
bouncing-spheres
spheres bouncing in a 3D box (rl/sphere!). Run it with bb bouncing-spheres.
box-collisions
a player cube colliding with 3D boxes. Run it with bb box-collisions.
camera-3d
an orbiting 3D camera (Camera3D by value). Run it with bb camera-3d.
camera-3d-first-person
walk a yard of columns in first person. Run it with bb camera-3d-first-person.
camera-3d-free
a free-look camera around a cube, UpdateCamera. Run it with bb camera-3d-free.
camera-3d-split-screen
two players, two render-texture halves. Run it with bb camera-3d-split-screen.
directional-billboard
a billboard whose facing row turns with the camera. Run it with bb directional-billboard.
dna-helix
a turning double helix, coloured bases. Run it with bb dna-helix.
doom
a textured raycaster: one ray per screen column. Run it with bb doom.
first-person-maze
walk a grid maze, with a minimap. Run it with bb first-person-maze.
geometric-shapes
cubes, spheres, cylinders, cones, capsules. Run it with bb geometric-shapes.
helitorus
a helix wound around a torus, swept into a tube. Run it with bb helitorus.
lorenz-attractor
the Lorenz attractor traced in 3D. Run it with bb lorenz-attractor.
mesh-generation
eight GenMesh shapes, drawn with DrawMesh. Run it with bb mesh-generation.
orthographic-projection
perspective vs orthographic (SPACE toggles). Run it with bb orthographic-projection.
picking-3d
click a box: a real GetScreenToWorldRay pick. Run it with bb picking-3d.
point-cloud
~1500 points as tiny rlgl cubes, rotating. Run it with bb point-cloud.
rlgl-solar-system
Sun/Earth/Moon via the rlgl matrix stack. Run it with bb rlgl-solar-system.
rotating-cube
a single cube spinning via the rlgl matrix stack. Run it with bb rotating-cube.
spinning-cubes
a row of cubes each spinning with a phase offset. Run it with bb spinning-cubes.
tesseract-view
a rotating 4D hypercube projected to 2D. Run it with bb tesseract-view.
textured-cube
two cubes, one textured atlas, one sub-rect. Run it with bb textured-cube.
waving-cubes
an NxN grid of cubes rippling in 3D. Run it with bb waving-cubes.
wireframe-shapes
pyramid/octahedron/torus/helix in 3D lines. Run it with bb wireframe-shapes.
world-screen
a 2D label tracks a cube via GetWorldToScreen. Run it with bb world-screen.
yaw-pitch-roll
the three aircraft rotations in 3D. Run it with bb yaw-pitch-roll.
audio (3)
amp-envelope
ADSR amplitude envelope on a 440Hz tone. Run it with bb amp-envelope.
audio-raw-stream
arrow keys steer a live sine tone's pitch/pan. Run it with bb audio-raw-stream.
audio-stream-callback
raudio pulls samples from its own thread. Run it with bb audio-stream-callback.
core (34)
basic-screen-manager
a LOGO/TITLE/GAMEPLAY/ENDING flow. Run it with bb basic-screen-manager.
camera-2d-mouse-zoom
zoom toward the cursor, pinning the point under it. Run it with bb camera-2d-mouse-zoom.
camera-2d-platformer
five ways a camera can follow a jumping player. Run it with bb camera-2d-platformer.
camera-2d-split-screen
two players, two cameras, two render textures. Run it with bb camera-2d-split-screen.
camera2d
a 2D camera over a skyline (struct-by-value). Run it with bb camera2d.
clipboard-text
type, C copies, V pastes. Run it with bb clipboard-text.
compute-hash
CRC32/MD5/SHA1/SHA256 + Base64 of typed text. Run it with bb compute-hash.
core
the minimal raylib window + text. Run it with bb core.
custom-logging
raylib's log captured by a jolt callback. Run it with bb custom-logging.
delta-time
per-frame vs delta-time movement. Run it with bb delta-time.
directory-files
a file browser over LoadDirectoryFilesEx. Run it with bb directory-files.
drop-files
drag files in: FilePathList by value. Run it with bb drop-files.
highdpi-demo
logical points vs physical pixels, two rulers. Run it with bb highdpi-demo.
highdpi-testbed
diagnostic overlay: monitors, DPI, crosshair. Run it with bb highdpi-testbed.
input
steer a ball with the arrow keys. Run it with bb input.
input-actions
abstract input actions: keyboard + gamepad. Run it with bb input-actions.
input-gamepad
sticks, triggers and buttons for pad 0. Run it with bb input-gamepad.
input-gestures
tap, hold, drag and swipe, named as they happen. Run it with bb input-gestures.
input-multitouch
touch points (the mouse is point 0). Run it with bb input-multitouch.
input-virtual-controls
an on-screen D-pad and action button. Run it with bb input-virtual-controls.
keyboard-testbed
an on-screen ENG-US keyboard, every key lit. Run it with bb keyboard-testbed.
monitor-detector
every attached display, current one lit. Run it with bb monitor-detector.
mouse
a ball follows the mouse; click to recolor. Run it with bb mouse.
random-sequence
bars in a shuffled order, each height used once. Run it with bb random-sequence.
random-values
a new random value every two seconds. Run it with bb random-values.
scissor-test
a scissor rectangle clips a grid. Run it with bb scissor-test.
smooth-pixelperfect
sub-pixel camera smoothing at 5x upscale. Run it with bb smooth-pixelperfect.
storage-values
values that survive a restart, via a file. Run it with bb storage-values.
undo-redo
move a square, then step back through the history. Run it with bb undo-redo.
viewport-scaling
6 viewport-scaling policies, resize live. Run it with bb viewport-scaling.
wheel
scroll a box with the mouse wheel. Run it with bb wheel.
window-flags
toggle vsync/resizable/topmost live. Run it with bb window-flags.
window-letterbox
a fixed picture letterboxed into the window. Run it with bb window-letterbox.
window-should-close
close is a question: ESC asks before it exits. Run it with bb window-should-close.
games (11)
asteroids
the classic vector shooter (rotate/thrust/fire). Run it with bb asteroids.
breakout
paddle + ball + brick grid (mouse paddle). Run it with bb breakout.
flappy-bird
flap through the pipe gaps (SPACE). Run it with bb flappy-bird.
game-2048
2048: 4x4 tile-merge puzzle (arrow keys). Run it with bb game-2048.
minesweeper
reveal/flag grid (mouse L reveal, R flag). Run it with bb minesweeper.
pacman
pac-man, with the classic ghost personalities. Run it with bb pacman.
pong
two-paddle classic, you (W/S) vs a CPU. Run it with bb pong.
snake
the classic snake (arrow keys, grow, don't crash). Run it with bb snake.
space-invaders
marching aliens (arrows + SPACE to shoot). Run it with bb space-invaders.
tetris
the block-stacking puzzle (move/rotate/drop). Run it with bb tetris.
vampire-survivors
auto-fire survival: move, waves chase you. Run it with bb vampire-survivors.
generative (10)
boids
flocking birds (separation/alignment/cohesion). Run it with bb boids.
cellular-automata
Wolfram's elementary automata. Run it with bb cellular-automata.
clock-of-clocks
six digits spelled by a grid of clock hands. Run it with bb clock-of-clocks.
fireworks
rockets + fading particle bursts. Run it with bb fireworks.
flow-field
particles steered by a flow field (trails). Run it with bb flow-field.
fourier-epicycles
rotating circles trace a square wave. Run it with bb fourier-epicycles.
game-of-life
Conway's Game of Life (SPACE reseeds). Run it with bb game-of-life.
l-system
an L-system fractal plant (grows + regrows). Run it with bb l-system.
particles
water/smoke/fire particles follow the mouse. Run it with bb particles.
spirograph
animated hypotrochoid roulette curves. Run it with bb spirograph.
shaders (20)
ascii-rendering
ascii art from a post-process shader. Run it with bb ascii-rendering.
basic-lighting
four point lights, custom vertex shader. Run it with bb basic-lighting.
color-correction
contrast/saturation/brightness shader. Run it with bb color-correction.
custom-uniform
a mouse-steered swirl over a scene. Run it with bb custom-uniform.
eratosthenes-sieve
the Sieve of Eratosthenes, one test per pixel. Run it with bb eratosthenes-sieve.
fog-rendering
exponential distance fog in the light shader. Run it with bb fog-rendering.
julia-set
the Julia set, mouse-steered, in a shader. Run it with bb julia-set.
mandelbrot-set
the Mandelbrot set, zoomable, in a shader. Run it with bb mandelbrot-set.
mesh-instancing
10000 lit cubes in one draw call. Run it with bb mesh-instancing.
multi-sampler
two textures blended by a second sampler. Run it with bb multi-sampler.
palette-switch
bands recolored by an ivec3 palette. Run it with bb palette-switch.
postprocessing
post-process shaders cycled over a scene. Run it with bb postprocessing.
raymarching
a raymarched SDF scene in a shader. Run it with bb raymarching.
rounded-rect-shader
SDF rounded rects: fill, border, shadow. Run it with bb rounded-rect-shader.
shader-hot-reload
swap and recompile the GLSL at runtime. Run it with bb shader-hot-reload.
texture-outline
a shader outline around a sprite's alpha edge. Run it with bb texture-outline.
texture-painting
a blank texture painted by a shader. Run it with bb texture-painting.
texture-rendering
a grid of squares painted entirely by a shader. Run it with bb texture-rendering.
texture-waves
a starfield rippled by a UV-displacement shader. Run it with bb texture-waves.
vertex-displacement
a flat plane made terrain in the vertex stage. Run it with bb vertex-displacement.
shapes (45)
analog-clock
a live analog clock (libc local time). Run it with bb analog-clock.
ball-physics
2D balls under gravity, SPACE respawns. Run it with bb ball-physics.
bounce
a ball bouncing around the window. Run it with bb bounce.
bullet-hell
a rotating bullet spiral. Run it with bb bullet-hell.
circle-sector-drawing
a sector whose segment count you can starve. Run it with bb circle-sector-drawing.
collision-area
AABB collision between two boxes. Run it with bb collision-area.
color-wheel
an HSV color wheel (rlgl triangle fan). Run it with bb color-wheel.
colors
every named raylib color in a grid. Run it with bb colors.
dashed-line
a dashed line follows the mouse. Run it with bb dashed-line.
digital-clock
a seven-segment HH:MM:SS clock (libc time). Run it with bb digital-clock.
double-pendulum
chaotic double-pendulum motion + trail. Run it with bb double-pendulum.
easings
a grid of balls, each on a different easing curve. Run it with bb easings.
easings-ball
slide, swell and fade, one curve each. Run it with bb easings-ball.
easings-box
drop, flatten, spin, grow, fade: five curves. Run it with bb easings-box.
easings-rectangles
a grid easing out in size and rotation at once. Run it with bb easings-rectangles.
easings-testbed
one curve at a time, plotted and run. Run it with bb easings-testbed.
ellipse-collision
two ellipses that redden when they overlap. Run it with bb ellipse-collision.
eyes
two eyes track the mouse. Run it with bb eyes.
gradient
a vertical two-color gradient. Run it with bb gradient.
hilbert-curve
a rainbow Hilbert space-filling curve. Run it with bb hilbert-curve.
kaleidoscope
strokes mirrored with 6-fold symmetry. Run it with bb kaleidoscope.
lines-bezier
a cubic Bézier that follows the mouse. Run it with bb lines-bezier.
lines-drawing
a rotating fan of thick lines (line-ex!). Run it with bb lines-drawing.
logo
the raylib logo from rectangles + text. Run it with bb logo.
logo-anim
the raylib logo assembling itself, unsmoothed. Run it with bb logo-anim.
math-angle-rotation
fixed spokes + a spinning line. Run it with bb math-angle-rotation.
math-sine-cosine
a live unit-circle trig visualization. Run it with bb math-sine-cosine.
mouse-trail
a fading trail follows the cursor. Run it with bb mouse-trail.
outlines-thickness
thick outlines, and what a negative one does. Run it with bb outlines-thickness.
penrose-tiling
a P3 Penrose rhombus tiling (deflation). Run it with bb penrose-tiling.
pie-chart
labelled pie slices via rl/sector!. Run it with bb pie-chart.
rectangle-advanced
per-side roundness with a horizontal gradient. Run it with bb rectangle-advanced.
rectangle-scaling
drag the corner handle to resize a rect. Run it with bb rectangle-scaling.
recursive-tree
a binary fractal tree. Run it with bb recursive-tree.
ring-drawing
an animated annulus via rl/ring!. Run it with bb ring-drawing.
rlgl-color-wheel
a hue wheel as a triangle fan, per-vertex colour. Run it with bb rlgl-color-wheel.
rlgl-triangle
a Gouraud triangle with draggable corners. Run it with bb rlgl-triangle.
rounded-rectangle
rounded rects via sector! corners. Run it with bb rounded-rectangle.
shapes
shape primitives + an rlgl triangle. Run it with bb shapes.
splines
Catmull-Rom / Bezier / B-spline (SPACE cycles). Run it with bb splines.
starfield-effect
flying starfield (wheel=speed, SPACE=mode). Run it with bb starfield-effect.
stars
a twinkling starfield. Run it with bb stars.
top-down-lights
lights and shadow volumes in an alpha mask. Run it with bb top-down-lights.
triangle-strip
a rainbow strip via rlgl immediate mode. Run it with bb triangle-strip.
vector-angle
the angle between two vectors (arc + readout). Run it with bb vector-angle.
text (8)
format-text
padded score + MM:SS timer readouts. Run it with bb format-text.
inline-styling
colour markup inside the string itself. Run it with bb inline-styling.
input-box
type into a text box (GetCharPressed). Run it with bb input-box.
rectangle-bounds
draggable word-wrap text container. Run it with bb rectangle-bounds.
strings-management
bouncing text you slice, shatter and glue. Run it with bb strings-management.
text
font sizes + MeasureText centering. Run it with bb text.
words-alignment
align a word inside a box (MeasureText). Run it with bb words-alignment.
writing-anim
a message types itself out. Run it with bb writing-anim.
textures (28)
background-scrolling
three parallax skyline layers, each scrolling. Run it with bb background-scrolling.
blend-modes
four 2D blend modes over a night skyline. Run it with bb blend-modes.
bunnymark
the sprite-count benchmark (click to add). Run it with bb bunnymark.
fog-of-war
fog lifted by a 25x15 render texture. Run it with bb fog-of-war.
framebuffer-rendering
two cameras, two framebuffers, one scene. Run it with bb framebuffer-rendering.
image-channel
R/G/B/A split; alpha masked to show structure. Run it with bb image-channel.
image-drawing
shapes baked once, then drawn live each frame. Run it with bb image-drawing.
image-generation
nine procedural textures, none of them loaded. Run it with bb image-generation.
image-kernel
sharpen, sobel and gaussian, one call each. Run it with bb image-kernel.
image-processing
nine CPU-side image operations, picked live. Run it with bb image-processing.
image-rotate
0/90/180/270 exact, one angle grows the buffer. Run it with bb image-rotate.
image-text
text baked into the image, pixelates at 4x. Run it with bb image-text.
magnifying-glass
a round lens that reveals hidden markers. Run it with bb magnifying-glass.
mouse-painting
a paint program on a render-texture canvas. Run it with bb mouse-painting.
npatch-drawing
nine-patch stretching, corners held fixed. Run it with bb npatch-drawing.
particles-blending
200 sparks trail the mouse, alpha vs additive. Run it with bb particles-blending.
polygon-drawing
hue-wheel texture on a spinning polygon. Run it with bb polygon-drawing.
raw-data
textures built from a hand-filled byte buffer. Run it with bb raw-data.
render-texture
a scene drawn off-screen, then reused. Run it with bb render-texture.
screen-buffer
the classic DOS fire effect. Run it with bb screen-buffer.
sprite-animation
six generated poses, one source rectangle. Run it with bb sprite-animation.
sprite-button
one sheet, three states, sliced by v. Run it with bb sprite-button.
sprite-stacking
40 generated slices faking a 3D car. Run it with bb sprite-stacking.
srcrec-dstrec
srcrec picks the frame, dstrec scales+spins it. Run it with bb srcrec-dstrec.
texture-procedural
four textures built pixel by pixel. Run it with bb texture-procedural.
texture-tiling
one tile repeated across the window. Run it with bb texture-tiling.
textured-curve
a texture laid along a cubic Bezier. Run it with bb textured-curve.
to-image
one image, VRAM to RAM to VRAM and back up. Run it with bb to-image.
