taichi hello world
作者:
在南极找不到南
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2022-11-16 23:10:02
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所有人可见
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阅读 207
import taichi as ti
import taichi.math as tm
ti.init(arch=ti.gpu)
n = 320
pixels = ti.field(dtype=float, shape=(n * 2, n))
@ti.func
def complex_sqr(z): # complex square of a 2D vector
return tm.vec2(z[0] * z[0] - z[1] * z[1], 2 * z[0] * z[1])
@ti.kernel
def paint(t: float):
for i, j in pixels: # Parallelized over all pixels
c = tm.vec2(-0.8, tm.cos(t) * 0.2)
z = tm.vec2(i / n - 1, j / n - 0.5) * 2
iterations = 0
while z.norm() < 20 and iterations < 50:
z = complex_sqr(z) + c
iterations += 1
pixels[i, j] = 1 - iterations * 0.02
gui = ti.GUI("Julia Set", res=(n * 2, n))
for i in range(1000000):
paint(i * 0.03)
gui.set_image(pixels)
gui.show()