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15.) Cleanup sphere example #22

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15.) Cleanup sphere example #22

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ee69f1f
15.) Cleanup sphere example
Jun 16, 2020
1dc5ebe
make _adjust_aspect class member
Jul 20, 2020
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45 changes: 26 additions & 19 deletions examples/sphere/main.py
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Original file line number Diff line number Diff line change
@@ -1,28 +1,32 @@
import os
import math
from kivy.app import App
from kivy.clock import Clock

from kivy3 import Scene, Renderer, PerspectiveCamera, Material, Mesh
from kivy3.extras.geometries import GridGeometry, SphereGeometry
from kivy.uix.floatlayout import FloatLayout
from kivy3 import Material
from kivy3 import Mesh
from kivy3 import PerspectiveCamera
from kivy3 import Renderer
from kivy3 import Scene
from kivy3.extras.geometries import GridGeometry
from kivy3.extras.geometries import SphereGeometry
from kivy3.objects.lines import Lines
import math
import os

# Resource paths
_this_path = os.path.dirname(os.path.realpath(__file__))
shader_file = os.path.join(_this_path, "./blinnphong.glsl")


class MainApp(App):
class SphereExample(App):
"""This is a basic example showcasing the Sphere Geometry.
"""

def build(self):
self.renderer = Renderer(shader_file=shader_file)
scene = Scene()
renderer = self.renderer = Renderer(shader_file=shader_file)
renderer.set_clear_color((0.2, 0.2, 0.2, 1.0))

camera = PerspectiveCamera(45, 1, 0.1, 2500)
self.renderer.set_clear_color((0.2, 0.2, 0.2, 1.0))

self.camera = camera
self.renderer.main_light.intensity = 5000
root = ObjectTrackball(camera, 10)
renderer.main_light.intensity = 5000

geometry = SphereGeometry(radius=1)
material = Material(
Expand All @@ -33,7 +37,6 @@ def build(self):
transparency=0.8,
)
obj = Mesh(geometry, material)
scene.add(obj)

# create a grid on the xz plane
geometry = GridGeometry(size=(30, 30), spacing=1)
Expand All @@ -45,13 +48,17 @@ def build(self):
)
lines = Lines(geometry, material)
lines.rotation.x = 90

scene = Scene()
scene.add(obj)
scene.add(lines)

self.renderer.render(scene, camera)
self.renderer.main_light.intensity = 500
renderer.render(scene, camera)
renderer.main_light.intensity = 500
renderer.bind(size=self._adjust_aspect)

root.add_widget(self.renderer)
self.renderer.bind(size=self._adjust_aspect)
root = ObjectTrackball(camera, 10)
root.add_widget(renderer)
return root

def _adjust_aspect(self, inst, val):
Expand Down Expand Up @@ -106,4 +113,4 @@ def do_rotate(self, touch):


if __name__ == "__main__":
MainApp().run()
SphereExample().run()