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Animated Beating Heart in R
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############################################################ | |
## Title: Animated Beating Heart in R | |
## Author: Jared Knowles | |
## Forked: Tony Boyles | |
## Date: February 14, 2014 | |
############################################################ | |
library(animation) | |
library(ggplot2) | |
t<-seq(-100,100,length.out=2010) | |
x<-16*sin(t)^3 | |
y<-(13*cos(t))-(5*cos(2*t))-(2*cos(3*t))-(cos(4*t)) | |
heart<-data.frame(x=x,y=y,order=t) | |
if(!file.exists("heart.gif")){ | |
file.create("heart.gif") | |
} | |
ani.options(outdir=getwd(),imgdir=getwd(),tempdir=getwd()) | |
saveGIF({ | |
for(i in c(seq(0.85,1.00,by=.01),seq(0.99,0.85,by=-.01),seq(0.86,0.91,by=.01),seq(.90,0.86,by=-.01))) | |
print( | |
ggplot(heart, aes(i*x,i*y)) + | |
geom_path(color="red", size=5)+ | |
xlim(-16,16)+ | |
ylim(-17,12)+ | |
labs(x='', y='')+ | |
theme_bw()+ | |
theme( | |
axis.text.x=element_blank(), | |
axis.ticks=element_blank(), | |
axis.text.y=element_blank()) | |
) | |
},movie.name="heart.gif",interval=0.03,ani.width=300,ani.height=300,convert='convert') |
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