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Replacing buildFrustum with standard glm call.

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Faerbit 2014-12-15 11:22:32 +01:00
parent 80cbc58f81
commit 44f2bd953d
2 changed files with 2 additions and 15 deletions
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15
graphics.cc
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@ -97,7 +97,7 @@ void Graphics::render()
depthShader->use();
// render depth textures for point lights
glViewport(0, 0, cube_size, cube_size);
glm::mat4 depthProjectionMatrix_pointlights = glm::perspective(45.0f, 0.1f, farPlane, (float)cube_size/(float)cube_size);
glm::mat4 depthProjectionMatrix_pointlights = glm::perspective(1.571f, (float)cube_size/(float)cube_size, 0.1f, farPlane);
glm::vec3 looking_directions[6] = {glm::vec3(1.0f, 0.0f, 0.0f), glm::vec3(-1.0f, 0.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f),
glm::vec3(0.0f, -1.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f), glm::vec3(0.0f, 0.0f, -1.0f)};
@ -159,7 +159,7 @@ void Graphics::render()
lightingShader->use();
//set view and projection matrix
glm::mat4 lightingViewProjectionMatrix = buildFrustum(75.0f, 0.1f, farPlane, (float)windowSize.x/(float)windowSize.y) * buildViewMatrix(level);
glm::mat4 lightingViewProjectionMatrix = glm::perspective(1.571f, (float)windowSize.x/(float)windowSize.y, 0.1f, farPlane) * buildViewMatrix(level);
lightingShader->setUniform("lightingViewProjectionMatrix", lightingViewProjectionMatrix);
//set lighting parameters
@ -238,17 +238,6 @@ void Graphics::resize(glm::uvec2 windowSize) {
depthTexture_far->resize(glm::vec2(windowSize.x, windowSize.y));
}
glm::mat4 Graphics::buildFrustum( float phiInDegree, float _near, float _far, float aspectRatio) {
float phiHalfInRadians = 0.5*phiInDegree * (M_PI/180.0);
float top = _near * tan( phiHalfInRadians );
float bottom = -top;
float left = bottom * aspectRatio;
float right = -left;
return glm::frustum(left, right, bottom, top, _near, _far);
}
glm::mat4 Graphics::buildViewMatrix(Level* level) {
//construct lookAt (cameraPosition = cameraCenter + cameraVector
return glm::lookAt((level->getCameraCenter()->getPosition() + level->getCamera()->getVector()),

2
graphics.hh
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@ -14,8 +14,6 @@ class Graphics {
Graphics();
void init(Level* level);
void render();
// to build the projection matrix:
glm::mat4 buildFrustum( float phiInDegree, float near, float far, float aspectRatio);
glm::mat4 buildViewMatrix(Level* level);
glm::uvec2 getWindowSize();
bool createWindow();