R语言rayrender包，light发光材料
# Thu Jul 01 01:55:37 2021 -
# 字符编码：UTF-8
# R 版本：R x64 4.1 for window 10
# [email protected]
# 个人笔记不负责任，拎了个梨
#.rs.restartR()
require(rayrender)
rm(list = ls());gc()
? light # 光材料
#Generate the cornell box without a light and add a single white sphere to the center
scene = generate_cornell(light=FALSE) %>%
add_object(sphere(x=555/2,y=555/2,z=555/2,radius=555/8,material=light()))
render_scene(scene, lookfrom=c(278,278,-800),lookat = c(278,278,0), samples=500,
aperture=0, fov=40, ambient_light=FALSE, parallel=TRUE)
kittyR::meowR(sound = 4)#猫叫
#Remove the light for direct camera rays, but keep the lighting
scene = generate_cornell(light=FALSE) %>%
add_object(sphere(x=555/2,y=555/2,z=555/2,radius=555/8,
material=light(intensity=15,invisible=TRUE)))
render_scene(scene, lookfrom=c(278,278,-800),lookat = c(278,278,0), samples=500,
aperture=0, fov=40, ambient_light=FALSE, parallel=TRUE)
kittyR::meowR(sound = 4)#猫叫
#All gather around the orb
scene = generate_ground(material = diffuse(checkercolor="grey50")) %>%
add_object(sphere(radius=0.5,material=light(intensity=5,color="red"))) %>%
add_object(obj_model(r_obj(), z=-3,x=-1.5,y=-1, angle=c(0,45,0))) %>%
add_object(pig(scale=0.3, x=1.5,z=-2,y=-1.5,angle=c(0,-135,0)))
render_scene(scene, samples=500, parallel=TRUE, clamp_value=10)
kittyR::meowR(sound = 4)#猫叫
dev.copy(png, "3.png");dev.off()
1.png
2.png
3.png