Instancing Shader

Example

from ursina import *
import random

app = Ursina()
window.vsync = False

instances = []
Entity(model='plane', texture='grass', scale=128)
application.asset_folder = application.asset_folder.parent.parent

p = Entity(model=Cone(5), y=1, texture='brick')
p.model.uvs = [(v[0],v[1]) for v in p.model.vertices]
p.model.generate()
p.shader = instancing_shader
p.setInstanceCount(256)

for z in range(16):
    for x in range(16):
        e = Entity(add_to_scene_entities=False, position=Vec3(x,0,z), color=color.lime, rotation_y=random.random()*360)
        instances.append(e)

p.set_shader_input('position_offsets', [e.position*4 for e in instances])
p.set_shader_input('rotation_offsets', [e.quaternion for e in instances])
p.set_shader_input('scale_multipliers', [e.scale*random.uniform(.9,2) for e in instances])
p.set_shader_input('colors', p.model.colors)

EditorCamera()
app.run()