20.model_loading.vs

#version 330 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aNormal;
layout (location = 2) in vec2 aTexCoords;

out vec3 Normal;
out vec3 Position;
out vec2 TexCoords;

uniform mat4 model;
uniform mat4 view;
uniform mat4 projection;

void main()
{
    Normal = mat3(transpose(inverse(model))) * aNormal;//法线
    Position = vec3(model * vec4(aPos, 1.0));//世界空间的位置向量
    gl_Position = projection * view * model * vec4(aPos, 1.0);
}