2022-09-19 18:05:01 +08:00

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uniform mat4 uMVPMatrix; //总变换矩阵
uniform mat4 uMMatrix; //变换矩阵
attribute vec3 aPosition; //顶点位置
varying vec4 vPosition;//用于传递给片元着色器的变量
void main() {
gl_Position = uMVPMatrix*vec4(aPosition,1); //根据总变换矩阵计算此次绘制此顶点位置
vPosition=uMMatrix*vec4(aPosition,1);
}