def extract(self, scene):
trans = tina.identity()
if self.trans is not None:
offset, rotation, scale = self.trans
if scale is not None:
trans = tina.scale(scale) @ trans
if rotation is not None:
trans = tina.quaternion(rotation) @ trans
if offset is not None:
trans = tina.translate(offset) @ trans
if self.primitives is not None:
for primitive in self.primitives:
primitive.extract(scene, trans)
import taichi as ti
import numpy as np
import tina
ti.init(ti.gpu)
scene = tina.PTScene(smoothing=True, texturing=True)
scene.add_object(tina.PrimitiveMesh.sphere(), tina.Glass())
scene.add_object(
tina.MeshTransform(tina.MeshModel('assets/cube.obj'),
tina.translate([0, -3, 0]) @ tina.scale(2)),
tina.Lambert())
scene.add_object(
tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 4, 0]) @ tina.scale(0.2)),
tina.Lamp(color=tina.Texture("assets/cloth.jpg")) * 64)
gui = ti.GUI('bdpt', scene.res)
scene.update()
while gui.running:
if scene.input(gui):
scene.clear()
scene.render(nsteps=6)
scene.render_light(nsteps=6)
gui.set_image(scene.img)
gui.show()
import taichi as ti
import numpy as np
import tina
ti.init(ti.gpu)
scene = tina.PTScene(smoothing=True, texturing=True)
scene.load_gltf('assets/cornell.gltf')
scene.add_object(tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 3.98, 0]) @ tina.scale(0.1)), tina.Lamp(color=64))
if isinstance(scene, tina.PTScene):
scene.update()
gui = ti.GUI('cornell_box', scene.res)
scene.init_control(gui, center=(0, 2, 0), radius=5)
while gui.running:
scene.input(gui)
if isinstance(scene, tina.PTScene):
scene.render(nsteps=8)
else:
scene.render()
gui.set_image(scene.img)
gui.show()
ti.imwrite(scene.img, 'cornell.png')
import taichi as ti
import tina
ti.init(ti.gpu)
scene = tina.Scene()
# load the monkey model with the `tina.MeshModel` node:
model = tina.MeshModel('assets/monkey.obj')
# transform the mesh using the `tina.Transform` node:
tmodel = tina.MeshTransform(model)
# load the desired node to be displayed:
scene.add_object(tmodel)
#scene.add_object(model)
gui = ti.GUI('transform')
while gui.running:
scene.input(gui)
# create a matrix representing translation along X-axis
dx = ti.sin(gui.frame * 0.03)
matrix = tina.translate([dx, 0, 0])
# set the model transformation matrix for `tina.Transform` node
tmodel.set_transform(matrix)
scene.render()
gui.set_image(scene.img)
gui.show()
cloth = tina.CookTorrance(basecolor=tina.Texture('assets/cloth.jpg'))
scene.add_object(mesh, cloth)
scene.add_object(ball)
gui = ti.GUI('Mass Spring', scene.res, fast_gui=True)
scene.init_control(gui,
center=ball_pos,
theta=np.pi / 2 - np.radians(30),
radius=1.5)
scene.lighting.clear_lights()
scene.lighting.add_light(dir=[0, 1, 1], color=[0.9, 0.9, 0.9])
scene.lighting.set_ambient_light([0.1, 0.1, 0.1])
ball.set_transform(tina.translate(ball_pos) @ tina.scale(ball_radius))
init()
while gui.running:
scene.input(gui)
if not gui.is_pressed(gui.SPACE):
for i in range(steps):
substep()
if gui.is_pressed('r'):
init()
mesh.pos.copy_from(x)
import taichi as ti
import numpy as np
import tina
ti.init(ti.opengl)
scene = tina.PTScene(smoothing=True)
roughness = tina.Param(float, initial=0.2)
metallic = tina.Param(float, initial=1.0)
scene.add_object(tina.MeshModel('assets/sphere.obj'), tina.PBR(metallic=metallic, roughness=roughness))
scene.add_object(tina.MeshTransform(tina.MeshModel('assets/plane.obj'),
tina.translate([0, 0, 4]) @ tina.eularXYZ([ti.pi / 2, 0, 0])
#@ tina.scale(0.1)), tina.Lamp(color=32))
@ tina.scale(0.4)), tina.Lamp(color=1))
gui = ti.GUI('path', scene.res)
roughness.make_slider(gui, 'roughness', 0, 1, 0.01)
metallic.make_slider(gui, 'metallic', 0, 1, 0.01)
scene.update()
while gui.running:
if scene.input(gui):
scene.clear()
scene.render(nsteps=6)
gui.set_image(scene.img)
gui.show()
#ti.imwrite(scene.img, 'output.png')
import taichi as ti
import tina
ti.init(ti.gpu)
scene = tina.Scene(smoothing=True, rtx=True)
material = tina.Phong(shineness=256)
model = tina.PrimitiveMesh.sphere()
scene.add_object(model, material)
model2 = tina.MeshTransform(tina.PrimitiveMesh.sphere(),
tina.translate([1.4, 0, 0]) @ tina.scale(0.5))
scene.add_object(model2, material)
gui = ti.GUI('matball')
scene.update()
scene.init_control(gui)
while gui.running:
scene.input(gui)
scene.render()
gui.set_image(scene.img)
gui.show()
import taichi as ti
import numpy as np
import tina
ti.init(ti.gpu)
scene = tina.PTScene(smoothing=True)
#scene.lighting.skybox = tina.Atomsphere()
#scene.lighting.skybox = tina.Skybox('assets/grass.jpg')
scene.add_object(tina.PrimitiveMesh.sphere(), tina.Glass())
scene.add_object(
tina.MeshTransform(tina.MeshModel('assets/cube.obj'),
tina.translate([0, -3, 0]) @ tina.scale(2)),
tina.Lambert())
scene.lighting.set_lights(np.array([
[0, 5, 0],
]))
scene.lighting.set_light_colors(np.array([
[16, 16, 16],
]))
scene.lighting.set_light_radii(np.array([
0.01,
]))
gui = ti.GUI('wave', scene.res)
scene.update()
while gui.running:
if scene.input(gui):
import taichi as ti
import numpy as np
import taichi_inject
import tina
ti.init(ti.cpu)
scene = tina.PTScene(smoothing=True, texturing=True)
mesh = tina.MeshTransform(tina.MeshModel('assets/monkey.obj'),
tina.translate([0, -0.5, 0]))
material = tina.Lambert()
mesh2 = tina.MeshTransform(tina.MeshModel('assets/sphere.obj'),
tina.translate([0, +0.5, 0]))
material2 = tina.Lambert(color=tina.Texture('assets/uv.png'))
scene.add_object(mesh, material)
scene.add_object(mesh2, material2)
scene.build()
scene.lighting.set_lights(
np.array([
[0, 1.38457, -1.44325],
], dtype=np.float32))
scene.lighting.set_light_radii(np.array([
0.2,
], dtype=np.float32))
gui = ti.GUI('BVH', scene.res)
while gui.running and not gui.get_event(gui.ESCAPE, gui.SPACE):
