5 Particles Katas
5.1 Particles 1 Kata (difficulty = 1)
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Code a scene with a particle geyser.
code
#lang 3d-exploration (exploration-scene #:ground-objects (list (basic-particles)))
5.2 Particles 2 Kata (difficulty = 2)
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Code a scene with large, slow sky particles that disappear before they hit the ground.
code
#lang 3d-exploration (define (my-particles) (basic-particles #:speed 5 #:size 5 #:age 3)) (exploration-scene #:sky-objects (list (my-particles)))
5.3 Particles 3 Kata (difficulty = 2)
Tip: Try these other presets: dust, snow, or rain
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Code a scene with heavy rain.
code
#lang 3d-exploration (define (my-particles) (basic-particles #:preset 'rain #:count 5000)) (exploration-scene #:sky-objects (list (my-particles)))
5.4 Particles 4 Kata (difficulty = 2)
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Code a scene with an egyptian environment and a lot of dust.
code
#lang 3d-exploration (define (my-particles) (basic-particles #:preset 'dust #:count 4000)) (exploration-scene #:environment (basic-environment #:preset 'egypt) #:ground-objects (list (my-particles)))
5.5 Particles 5 Kata (difficulty = 3)
Tip: You can also use sprites as images. Add this line to your code to get access to several sprites: (require fandom-sprites-ge)
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Code a scene with a forest environment that has dark horizon and sky colors, some fog, as well as many custom image particles.
code
#lang 3d-exploration (define (my-environment) (basic-environment #:preset 'forest #:horizon-color 'dark-blue #:sky-color 'black #:fog 0.5)) (define (my-particles) (basic-particles #:preset 'dust #:image dragon-image #:count 2000)) (exploration-scene #:environment (my-environment) #:sky-objects (list (my-particles)))