v2cpp动画无法重复播放

[makabakadot]

重复使用StartMotion无法使动画多次播放。怀疑是Live2dMotion的mFinished属性没有正确重置为False
下面是测试代码和例子

# usage with moderngl

import sys
import numpy as np
import moderngl

from PySide6.QtWidgets import QApplication
from PySide6.QtOpenGLWidgets import QOpenGLWidget
from PySide6.QtCore import Qt

import live2d.v2cpp as live2d
import os
import OpenGL.GL as GL


from typing import Optional


class DefaultRenderer:

    _instance = None

    vertex = """
    #version 330 core
    in vec2 in_position;
    in vec3 in_color;
    out vec3 v_color;
    void main() 
    {
        gl_Position = vec4(in_position, 0.0, 1.0);
        v_color = in_color;
    }
    """

    fragment = """
    #version 330 core
    in vec3 v_color;
    out vec4 FragColor;
    void main() 
    {
        FragColor = vec4(v_color, 1.0);
    }
    """
    vao: moderngl.VertexArray
    prog: moderngl.Program

    def __init__(self, ctx: 'moderngl.Context'):
        self._ctx = ctx

    def __new__(cls, ctx: 'moderngl.Context'):
        if cls._instance is None:
            cls._instance = object.__new__(cls)
            setattr(cls._instance, "prog", ctx.program(cls.vertex, cls.fragment))
            vbo = np.array([
                # 位置        # 颜色
                0.0, 1.0,     1.0, 0.0, 0.0,  # 上顶点 - 红色
                -1.0, -1.0,   0.0, 1.0, 0.0,  # 左下顶点 - 绿色
                1.0, -1.0,    0.0, 0.0, 1.0   # 右下顶点 - 蓝色
            ], dtype=np.float32)
            data = ctx.buffer(vbo.tobytes())
            setattr(cls._instance, "vao", ctx.vertex_array(cls._instance.prog, data, "in_position", "in_color"))
            return cls._instance
    
    def Render(self):
        self.vao.render(moderngl.TRIANGLES)

class GLWidget(QOpenGLWidget):
    def __init__(self, parent=None):
        super().__init__()
        
        # 初始化变量
        self.ctx: Optional[moderngl.Context] = None
        self.model: Optional[live2d.LAppModel] = None
        self.triangle: Optional[DefaultRenderer] = None
        
        # 设置窗口尺寸
        self.setMinimumSize(800, 600)
    
    def initializeGL(self):
        # 创建ModernGL上下文
        self.ctx = moderngl.create_context()

        live2d.glInit()

        self.model = live2d.LAppModel()
        self.model.LoadModelJson(
            r"test.model.json")#这里使用下面的模型
        self.model.StartMotion("idle_3",0,3)

        self.triangle = DefaultRenderer(self.ctx)

        self.first = False

        self.startTimer(int(1000 / 60))
        
    def timerEvent(self, e):
        self.update()

    def paintGL(self):
        fbo = self.ctx.detect_framebuffer()
        fbo.use()

        # 清除屏幕
        self.ctx.clear(0.2, 0.2, 0.2, 1.0)

        self.triangle.Render()

        GL.glBindVertexArray(0) # 绘制live2d 前 解绑 vao
        self.model.Update()
        self.model.Draw()
    def keyPressEvent(self, event):
        if event.key() == Qt.Key_Q:
            self.model.ClearMotions()
            self.model.StartMotion("idle_3",0,3)
            print("调试信息：Q 键被按下！")
        else:
            return super().keyPressEvent(event)

    def resizeGL(self, w, h):
        self.ctx.viewport = (0, 0, w, h)
        self.model.Resize(w, h)


if __name__ == '__main__':
    live2d.init()
    app = QApplication(sys.argv)
    window = GLWidget()
    window.setWindowTitle('ModernGL + PySide6 + live2d')
    window.show()
    app.exec()
    live2d.dispose()

model.zip

[Arkueid]

13cffa0