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Added being able to change attenuation in real time

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This commit is contained in:
Tleety
2014-05-11 01:05:22 +02:00
parent 22d855a521
commit 37a8af6b65
3 changed files with 58 additions and 4 deletions
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src/Renderer.cpp
+54 -1
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@@ -133,6 +133,9 @@ void Renderer::LoadContent()
m_FinalPassProgram.Compile();
m_FinalPassProgram.Link();
Gamma = 2.2f;
CAtt = 1.0f;
LAtt = 0.0f;
QAtt = 3.0f;
m_ScreenQuad = CreateQuad();
FrameBufferTextures();
@@ -161,6 +164,49 @@ void Renderer::Draw(double dt)
LOG_INFO("Gamma_DOWN: %f", Gamma);
}
if(glfwGetKey(m_Window, GLFW_KEY_1))
{
if(glfwGetKey(m_Window, GLFW_KEY_KP_ADD))
{
CAtt += 0.5f * dt;
LOG_INFO("Const: %f", CAtt);
}
if(glfwGetKey(m_Window, GLFW_KEY_KP_SUBTRACT))
{
CAtt -= 0.5f * dt;
LOG_INFO("Const: %f", CAtt);
}
}
if(glfwGetKey(m_Window, GLFW_KEY_2))
{
if(glfwGetKey(m_Window, GLFW_KEY_KP_ADD))
{
LAtt += 0.5f * dt;
LOG_INFO("Linear: %f", LAtt);
}
if(glfwGetKey(m_Window, GLFW_KEY_KP_SUBTRACT))
{
LAtt -= 0.5f * dt;
LOG_INFO("Linear: %f", LAtt);
}
}
if(glfwGetKey(m_Window, GLFW_KEY_3))
{
if(glfwGetKey(m_Window, GLFW_KEY_KP_ADD))
{
QAtt += 0.5f * dt;
LOG_INFO("Quadratic: %f", QAtt);
}
if(glfwGetKey(m_Window, GLFW_KEY_KP_SUBTRACT))
{
QAtt -= 0.5f * dt;
LOG_INFO("Quadratic: %f", QAtt);
}
}
glDisable(GL_BLEND);
DrawFBO();
@@ -657,7 +703,7 @@ void Renderer::DrawFBO()
m_FinalPassProgram.Bind();
// Ambient light
glUniform3fv(glGetUniformLocation(m_FinalPassProgram.GetHandle(), "La"), 1, glm::value_ptr(glm::vec3(0.3f, 0.3f, 0.3f)));
glUniform3fv(glGetUniformLocation(m_FinalPassProgram.GetHandle(), "La"), 1, glm::value_ptr(glm::vec3(0.1f, 0.1f, 0.1f)));
glUniform1f(glGetUniformLocation(m_FinalPassProgram.GetHandle(), "Gamma"), Gamma);
glActiveTexture(GL_TEXTURE0);
@@ -733,6 +779,10 @@ void Renderer::DrawLightScene()
glUniform1f(glGetUniformLocation(m_SecondPassProgram.GetHandle(), "LinearAttenuation"), light.LinearAttenuation);
glUniform1f(glGetUniformLocation(m_SecondPassProgram.GetHandle(), "QuadraticAttenuation"), light.QuadraticAttenuation);
// glUniform1f(glGetUniformLocation(m_SecondPassProgram.GetHandle(), "ConstantAttenuation"), CAtt);
// glUniform1f(glGetUniformLocation(m_SecondPassProgram.GetHandle(), "LinearAttenuation"), LAtt);
// glUniform1f(glGetUniformLocation(m_SecondPassProgram.GetHandle(), "QuadraticAttenuation"), QAtt);
glDrawArrays(GL_TRIANGLES, 0, m_sphereModel->Vertices.size());
};
glEnable (GL_DEPTH_TEST);
@@ -750,6 +800,9 @@ glm::mat4 Renderer::CreateLightMatrix(Light &_light)
float c = _light.ConstantAttenuation;
float l = _light.LinearAttenuation;
float q = _light.QuadraticAttenuation;
// float c = CAtt;
// float l = LAtt;
// float q = QAtt;
float cutOffRadius = abs(sqrt((-4*c*q) + pow(l, 2) + (1024*q) - l) / (2*q));
glm::mat4 model;