From d67706c18c6ec8d6144e734b2b5a7af7348e4a90 Mon Sep 17 00:00:00 2001
From: Anselme <anselme.francois@gmail.com>
Date: Mon, 16 Oct 2017 17:06:39 +0200
Subject: [PATCH] added lightenv class, used to store the environment lighting
parameters
---
src/lighingenv.cpp | 25 +++++++++++++++++++++++++
src/lighingenv.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 70 insertions(+)
create mode 100644 src/lighingenv.cpp
create mode 100644 src/lighingenv.h
diff --git a/src/lighingenv.cpp b/src/lighingenv.cpp
new file mode 100644
index 0000000..e3abd52
--- /dev/null
+++ b/src/lighingenv.cpp
@@ -0,0 +1,25 @@
+#include "lighingenv.h"
+#include "imgui/imgui.h"
+#include "texture.h"
+#include <glm/ext.hpp>
+
+LighingEnv::LighingEnv()
+{
+
+}
+
+void LighingEnv::gui()
+{
+ ImGui::Checkbox("Fog", &m_hasFog);
+ if(m_hasFog)
+ {
+ ImGui::SliderFloat("Fog density", &m_fogDensity, 0, 10000, "%.3f", 10.f);
+ ImGui::ColorEdit3("Fog color", glm::value_ptr(m_fogColor));
+ ImGui::Checkbox("Ground fog", &m_isGroundFog);
+ if(m_isGroundFog)
+ {
+ ImGui::SliderFloat("Ground fog floor", &m_fogFloor, -1000, 1000);
+ ImGui::SliderFloat("Ground fog ceiling", &m_fogCeiling, -1000, 1000);
+ }
+ }
+}
diff --git a/src/lighingenv.h b/src/lighingenv.h
new file mode 100644
index 0000000..41797d9
--- /dev/null
+++ b/src/lighingenv.h
@@ -0,0 +1,45 @@
+#ifndef LIGHINGENV_H
+#define LIGHINGENV_H
+
+#include <glm/vec3.hpp>
+
+class Texture;
+
+class LighingEnv
+{
+ Texture* m_radianceMap;
+ Texture* m_irradianceMap;
+
+ bool m_hasFog;
+ float m_fogDensity;
+ glm::vec3 m_fogColor;
+
+ bool m_isGroundFog;
+ float m_fogFloor;
+ float m_fogCeiling;
+
+public:
+ LighingEnv();
+
+ // environment mapping methods
+
+ void setRadianceMap(Texture* tex); // used for the specular component
+ void setIrradianceMap(Texture* tex); // used for the diffuse component
+
+ // fog methods
+
+ void setNoFog() { m_hasFog = false; }
+
+ void setUniformFog(float fogDensity, glm::vec3 fogColor)
+ { m_hasFog = true; m_fogDensity = fogDensity; m_fogColor = fogColor; }
+
+ void setGroundFog(float fogDensity, glm::vec3 fogColor, float fogFloor, float fogCeiling)
+ { setUniformFog(fogDensity, fogColor); m_isGroundFog = true; m_fogFloor = fogFloor; m_fogCeiling = fogCeiling; }
+
+ /**
+ * @brief this gui does not include the begin/end calls, only the fog editor
+ */
+ void gui();
+};
+
+#endif // LIGHINGENV_H