投影纹理映射（Projective Texture Mapping）(3)

vec3 projPos = vec3(2.0f,5.0f,5.0f); 
vec3 projAt = vec3(-2.0f,-4.0f,0.0f); 
vec3 projUp = vec3(0.0f,1.0f,0.0f); 
mat4 projView = glm::lookAt(projPos, projAt, projUp); 
mat4 projProj = glm::perspective(30.0f, 1.0f, 0.2f, 1000.0f); 
mat4 projScaleTrans = glm::translate(vec3(0.5f)) * glm::scale(vec3(0.5f)); 
prog.setUniform("ProjectorMatrix", projScaleTrans * projProj * projView); 

vec3 projPos = vec3(2.0f,5.0f,5.0f); 
vec3 projAt = vec3(-2.0f,-4.0f,0.0f); 
vec3 projUp = vec3(0.0f,1.0f,0.0f); 
mat4 projView = glm::lookAt(projPos, projAt, projUp); 
mat4 projProj = glm::perspective(30.0f, 1.0f, 0.2f, 1000.0f); 
mat4 projScaleTrans = glm::translate(vec3(0.5f)) * glm::scale(vec3(0.5f)); 
prog.setUniform("ProjectorMatrix", projScaleTrans * projProj * projView); 

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