ハートの数式を真っ二つにしてみた 5 + (-sqrt(1-x^2-(y-abs(x))^2))*(cos(30*((1-x^2-(y-abs(x))^2)))) -0*sqrt(abs(x+0.05*sin(20*y))-0.03), x is from -1 to 1, y is from -1 to 1.5, z is from 1 to 6だいたいこんな感じ