def test_show_entity():
"""Test showing an entity"""
# Create a figure
app = Application()
fig = scene.CanvasWithScene(app=app)
app.create()
fig.size = 1, 1
fig.show()
camcontainer = scene.PixelCamera(fig.viewbox)
camera = scene.ThreeDCamera(camcontainer)
camera._fov = 90
fig.viewbox.camera = camera
pointscontainer = scene.Entity(fig.viewbox)
scene.PointsEntity(pointscontainer, 1000)
app.process_events()
app.process_events() # for good measure
# Now do first-person
camcontainer = scene.PixelCamera(fig.viewbox)
camera = scene.FirstPersonCamera(camcontainer)
camera.update_angles()
fig.viewbox.camera = camera
pointscontainer = scene.Entity(fig.viewbox)
scene.PointsEntity(pointscontainer, 1000)
app.process_events()
app.process_events() # for good measure
# Now do 2D
camcontainer = scene.PixelCamera(fig.viewbox)
camera = scene.TwoDCamera(camcontainer)
camera.xlim = -100, 500
camera.ylim = -100, 500
fig.viewbox.camera = camera
pointscontainer = scene.Entity(fig.viewbox)
scene.PointsEntity(pointscontainer, 1000)
transforms.translate(camcontainer.transform, 50, 50)
transforms.rotate(camcontainer.transform, 10, 0, 0, 1)
app.process_events()
app.process_events() # for good measure
fig.close()
app.quit()
# Create a world object to act as a container # It is a child of both viewports world = scene.Entity() world.parents = vp1, vp2 # Create two cameras cam0 = scene.TwoDCamera(world) # Placeholder camera cam1 = scene.TwoDCamera(cam0) cam2 = scene.TwoDCamera(cam0) # Set limits of cam0, this is only to set position right, its fov is not used cam0.xlim = -100, 500 cam0.ylim = -100, 500 # Set fov of cam1 and cam2, and translate both cameras a bit cam1.fov = cam2.fov = 600, 600 transforms.translate(cam1.transform, -50, 0) transforms.translate(cam2.transform, +50, 0) # Apply cameras vp1.camera = cam1 vp2.camera = cam2 vp1.bgcolor = (0, 0, 0.2) vp2.bgcolor = (0, 0.2, 0) # Create a entity points = scene.PointsEntity(world) app.run()
fig = scene.CanvasWithScene()
fig.size = 600, 600
fig.show()
# Create a camera inside a container
camcontainer = scene.PixelCamera(fig.viewbox)
camera = scene.ThreeDCamera(camcontainer)
camera._fov = 90 # or other between 0 and 179
# Explicitly set the second camera, or the ViewBox will pick the second
fig.viewbox.camera = camera
# Create a points entity inside a container
pointscontainer = scene.Entity(fig.viewbox)
points = scene.PointsEntity(pointscontainer, 1000)
# Count FPS
t0, frames, t = time.time(), 0, 0
@fig.connect
def on_paint(event):
global t, t0, frames
t = time.time()
frames = frames + 1
elapsed = (t - t0) # seconds
if elapsed > 2.5:
print("FPS : %.2f (%d frames in %.2f second)"
% (frames / elapsed, frames, elapsed))
@fig.connect
def on_mouse_move(event):
cam0.on_mouse_move(event)
# Create two viewboxes
vp1 = scene.ViewBox(fig.viewbox)
vp2 = scene.ViewBox(fig.viewbox)
vp1.bgcolor = (0, 0, 0.2)
vp2.bgcolor = (0, 0.2, 0)
# Put them next to each-other
transforms.scale(vp1.transform, 400, 400)
transforms.scale(vp2.transform, 400, 400)
transforms.translate(vp1.transform, 0)
transforms.translate(vp2.transform, 400, 0, 0)
# Create one object in each scene
points1 = scene.PointsEntity(vp1, 100)
points2 = scene.PointsEntity(vp2, 1000)
# Create a camera
cam0 = scene.TwoDCamera()
cam0.parents = vp1, vp2
# Set limits of cam0, this is only to set position right, its fov is not used
cam0.xlim = -100, 500
cam0.ylim = -100, 500
app.run()
fig.show()
# Add a simple normal pixelcamera. This camera looks at the many
# subplots. Each subplot has its own world with a visual and a camera.
scene.PixelCamera(fig.viewbox)
for col in range(NCOLS):
for row in range(NROWS):
# Create "viewbox"
box = scene.Entity(fig.viewbox)
box.transform[-1, 0] = col * RES / NCOLS + 100 / NCOLS
box.transform[-1, 1] = row * RES / NROWS + 100 / NROWS
box.transform[0, 0] = 1 / NCOLS
box.transform[1, 1] = 1 / NROWS
# Create a points visual in the "viewbox"
points = scene.PointsEntity(box, 100)
# Count FPS
t0, frames, t = time.time(), 0, 0
@fig.connect
def on_paint(event):
global t, t0, frames
t = time.time()
frames = frames + 1
elapsed = (t - t0) # seconds
if elapsed > 2.5:
print("FPS : %.2f (%d frames in %.2f second)" %
(frames / elapsed, frames, elapsed))
t0, frames = t, 0