Added ambient lighting

CMakeLists.txt

@@ -33,6 +33,8 @@ file(GLOB_RECURSE source_files
 	"vendor/src/*.c"
 )
 
+message(STATUS ${source_files})
+
 add_library(openglu SHARED 
 	${include_files}
 	${source_files}

examples/movement/CMakeLists.txt

@@ -32,8 +32,8 @@ add_custom_command(TARGET movement POST_BUILD
 	COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/assets $<TARGET_FILE_DIR:movement>/assets
 )
 
-# if(WIN32)
-# 	add_custom_command(TARGET movement POST_BUILD
-# 		COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:openglu> $<TARGET_FILE:glfw> $<TARGET_FILE_DIR:movement>
-# 	)
-# endif()
+if(WIN32)
+	add_custom_command(TARGET movement POST_BUILD
+		COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:openglu> $<TARGET_FILE:glfw> $<TARGET_FILE_DIR:movement>
+	)
+endif()

examples/movement/main.cpp

@@ -201,6 +201,9 @@ int main(int argc, char** argv)
 	oglu::Texture crate = oglu::MakeTexture("assets/crate.jpg");
 	oglu::Texture opengl = oglu::MakeTexture("assets/opengl.png");
 
+	oglu::AmbientLight ambient;
+	ambient.intensity = 0.1f;
+
 	camera.Move(0.0f, 0.0f, 5.0f);
 
 	// Window loop
@@ -209,7 +212,7 @@ int main(int argc, char** argv)
 
 	glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
 
-	oglu::Color bgColor(0.29f, 0.13f, 0.23f);
+	oglu::Color bgColor = oglu::Color::Black;
 	while (!glfwWindowShouldClose(window))
 	{
 		processInput(window);
@@ -222,6 +225,8 @@ int main(int argc, char** argv)
 		shader->Use();
 		shader->SetUniformTexture("texture1", crate, 0);
 		shader->SetUniformTexture("texture2", opengl, 1);
+		shader->SetUniform("ambientStrength", ambient.intensity);
+		shader->SetUniform("ambientColor", ambient.color, true);
 		shader->SetUniformMatrix4fv("view", 1, GL_FALSE, glm::value_ptr(camera.GetMatrix()));
 		shader->SetUniformMatrix4fv("projection", 1, GL_FALSE, glm::value_ptr(camera.GetProjection()));
 

examples/movement/shaders/fragmentShader.frag

@@ -6,7 +6,12 @@ out vec4 FragColor;
 uniform sampler2D texture1;
 uniform sampler2D texture2;
 
+uniform float ambientStrength;
+uniform vec3 ambientColor;
+
 void main()
 {
-	FragColor = mix(texture(texture1, oUV), texture(texture2, oUV), 0.2);
+	vec3 ambient = ambientColor * ambientStrength;
+
+	FragColor = mix(texture(texture1, oUV), texture(texture2, oUV), 0.2) * vec4(ambient, 1.0);
 }

include/color.hpp

@@ -33,7 +33,7 @@ namespace oglu
 		 * @param green Green component
 		 * @param alpha Red component
 		 */
-		Color(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha = 255);
+		Color(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha = 0.f);
 		
 	public:
 		GLfloat r;	///< Red channel

include/lighting/ambient.hpp

@@ -0,0 +1,22 @@
+#ifndef AMBIENT_HPP
+#define AMBIENT_HPP
+
+#include <core.hpp>
+#include <color.hpp>
+
+namespace oglu
+{
+	class OGLU_API AmbientLight
+	{
+	public:
+		AmbientLight();
+		AmbientLight(GLfloat r, GLfloat g, GLfloat b, GLfloat intensity);
+		AmbientLight(const Color& color, GLfloat intensity);
+		AmbientLight(const AmbientLight& other);
+
+		GLfloat intensity;
+		Color color;
+	};
+}
+
+#endif

include/openglu.hpp

@@ -15,6 +15,8 @@
 #include <object.hpp>
 #include <camera.hpp>
 
+#include <lighting/ambient.hpp>
+
 namespace oglu
 {
 	/**

src/color.cpp

@@ -13,7 +13,7 @@ namespace oglu
 	const Color Color::Transparent(0.f, 0.f, 0.f, 0.f);
 
 	Color::Color() :
-		r(0.f), g(0.f), b(0.f), a(0.f)
+		r(0.f), g(0.f), b(0.f), a(1.f)
 	{
 	}
 

src/lighting/ambient.cpp

@@ -0,0 +1,24 @@
+#include "lighting/ambient.hpp"
+
+namespace oglu
+{
+	AmbientLight::AmbientLight() :
+		color(1.f, 1.f, 1.f), intensity(1.0f)
+	{
+	}
+
+	AmbientLight::AmbientLight(GLfloat r, GLfloat g, GLfloat b, GLfloat intensity) :
+		color(r, g, b), intensity(intensity)
+	{
+	}
+
+	AmbientLight::AmbientLight(const Color& color, GLfloat intensity) :
+		color(color), intensity(intensity)
+	{
+	}
+
+	AmbientLight::AmbientLight(const AmbientLight& other) :
+		color(other.color), intensity(other.intensity)
+	{
+	}
+}