mirror of
https://github.com/gosticks/body-pose-animation.git
synced 2025-10-16 11:45:42 +00:00
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
from typing import List, Set, Dict, Tuple, Optional
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import numpy as np
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import trimesh
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import pyrender
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def render_model(
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scene,
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model,
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model_out,
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color=[0.3, 0.3, 0.3, 0.8],
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name=None,
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replace=False,
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pose=None
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):
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vertices = model_out.vertices.detach().cpu().numpy().squeeze()
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# set vertex colors, maybe use this to highlight accuracies
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vertex_colors = np.ones([vertices.shape[0], 4]) * color
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# triangulate vertex mesh
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tri_mesh = trimesh.Trimesh(vertices, model.faces,
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vertex_colors=vertex_colors)
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mesh = pyrender.Mesh.from_trimesh(tri_mesh)
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if name is not None and replace:
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for node in scene.get_nodes(name=name):
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scene.remove_node(node)
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return scene.add(mesh, name=name, pose=pose)
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def render_points(scene, points, radius=0.005, color=[0.0, 0.0, 1.0, 1.0], name=None):
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sm = trimesh.creation.uv_sphere(radius=radius)
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sm.visual.vertex_colors = color
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tfs = np.tile(np.eye(4), (len(points), 1, 1))
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tfs[:, :3, 3] = points
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pcl = pyrender.Mesh.from_trimesh(sm, poses=tfs)
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# return the render scene node
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return scene.add(pcl, name=name)
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def render_camera(scene, radius=0.5, height=0.5, color=[0.0, 0.0, 1.0, 1.0], name=None):
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sm = trimesh.creation.cone(radius, height, sections=None, transform=None)
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sm.visual.vertex_colors = color
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tfs = np.eye(4)
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pcl = pyrender.Mesh.from_trimesh(sm, poses=tfs)
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# return the render scene node
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return scene.add(pcl, name=name)
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def render_image_plane(scene, image, name=None):
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height, width, _ = image.shape
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mat = trimesh.visual.texture.TextureVisuals(
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image=image, uv=[[0, 0], [0, 1], [1, 0], [1, 1]])
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tm = trimesh.load('plane.obj', visual=mat)
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tm.visual = mat
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tfs = np.eye(4)
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tfs[0, 0] = width / height
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tfs[0, 3] = 0.75
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material2 = pyrender.Material(name=name, emissiveTexture=image)
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m = pyrender.Mesh.from_trimesh(tm, poses=tfs)
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return scene.add(m, name=name)
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