Home › Forums › GAMES在线课程(现代计算机图形学入门)讨论区 › 请教个问题 关于 shader的坐标变换后的坐标范围的问题 This topic has 0 replies, 1 voice, and was last updated 4 years, 3 months ago by ranran. Viewing 0 reply threads Author Posts 2020年7月3日 at 下午4:38 #6732 Score: 0 ranranParticipant 在shader中:’gl_Position = projectionMatrix * viewMatrix * modelMatrix * position4;’ 模型坐标 范围=>position4M{+无穷大,-无穷大},经过模型变换后(modelMatrix * position4)成了世界坐标系下的点worldPosition,此时点worldPosition的值的范围是什么? worldPosition经过视图矩阵变换(viewMatrix * modelMatrix * position4)后=>viewPosition , 此时的坐标的取值范围是否是 -1,1 Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In