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PointLight Shadows

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This commit is contained in:
4VRDriver
2020-09-26 14:21:02 +02:00
parent 33dc801483
commit 55b8efc6c4
25 changed files with 399 additions and 139 deletions
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43
src/Controller.cpp
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@@ -80,11 +80,12 @@ void Controller::run() {
ShaderProgram lightProgram("res/shaders/light.vert", "res/shaders/light.frag");
ShaderProgram skyboxProgram("res/shaders/skybox.vert", "res/shaders/skybox.frag");
ShaderProgram postProcessingProgram("res/shaders/postprocessing.vert", "res/shaders/postprocessing.frag");
ShaderProgram shadowDepthProgram("res/shaders/shadowDepth.vert", "res/shaders/shadowDepth.frag");
ShaderProgram directionalShadowDepthProgram("res/shaders/directionalShadowDepth.vert", "res/shaders/directionalShadowDepth.frag");
ShaderProgram pointShadowDepthProgram("res/shaders/pointShadowDepth.vert", "res/shaders/pointShadowDepth.geom", "res/shaders/pointShadowDepth.frag");
updateExposure(&postProcessingProgram);
Model model_backpack("res/models/backpack.ffo");
//Model model_backpack("res/models/backpack.ffo");
//Model model_plant("res/models/plant.ffo");
//Model model_container("res/models/container.ffo");
Model model_cube("res/models/cube.ffo");
@@ -100,14 +101,16 @@ void Controller::run() {
//Entity hut(&model_hut, &shaderProgram);
//Entity moon(&model_moon, &shaderProgram);
//Entity plant(&model_plant, &shaderProgram);
Entity dragon(&model_backpack, &shaderProgram);
Entity dragon(&model_dragon, &shaderProgram);
Entity ground(&model_ground, &shaderProgram);
Entity lightSource(&model_cube, &lightProgram);
dragon.setRotation(glm::vec3(0.0f));
dragon.setScale(0.2f);
lightSource.setScale(0.1f);
lightSource.setRotation(glm::vec3(0.f));
lightSource.setPosition(glm::vec3(-2.f, 1.5f, 2.f));
lightSource.setIsLightSource(true);
Skybox skybox(&model_cube, &skyboxProgram, "res/textures/skybox/");
@@ -127,45 +130,50 @@ void Controller::run() {
// Update game
// ...
static bool rotateLightSource = false;
static bool rotateLightSource = false, rotateEntity = false;
if(rotateLightSource) {
float radius = 4.0;
glm::vec3 newPos = glm::vec3(-cos(glfwGetTime()*0.5), 0.5f, sin(glfwGetTime()*0.5)) * radius;
world.getEntities()->operator[](1).setPosition(newPos);
}
if(rotateEntity) {
world.getEntities()->operator[](0).rotate(glm::vec3(0.0f, 1.0f, 0.0f), 0.2f * deltaTime);
}
static glm::vec3 lightColor = glm::vec3(1.f);
static float intensity = 20.0f;
static float intensity = 10.f;
world.updatePointLight(0, true, world.getEntities()->operator[](1).getPosition(), lightColor * intensity);
world.updateDirectionalLight(true, glm::vec3(-0.2f, -1.0f, -0.3f), lightColor * 0.1f);
world.updateDirectionalLight(true, glm::vec3(-0.2f, -1.0f, -0.3f), lightColor * 0.25f);
lightProgram.bind();
lightProgram.setUniform("v_lightColor", lightColor * 100.0f);
lightProgram.unbind();
// Render and buffer swap
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Calc shadows
static bool drawShadows = true;
shaderProgram.bind();
shaderProgram.setUniform("b_drawShadows", (int)drawShadows);
shaderProgram.unbind();
if(drawShadows)
world.calculateShadows(&directionalShadowDepthProgram, &pointShadowDepthProgram);
pp_framebuffer->bind();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
camera->lookForward();
camera->updateVPM();
// Calc shadows
// ...
glViewport(0, 0, gameWindow->getWindowWidth(), gameWindow->getWindowHeight());
skybox.draw(camera->getView(), camera->getProj());
world.draw(camera->getViewProj(), camera->getPosition());
static bool drawShadows = false;
if(drawShadows)
world.calculateShadows(&shadowDepthProgram);
pp_framebuffer->unbind();
pp_framebuffer->render();
#ifdef _DEBUG
renderImGui(world.getEntities(), &world.getPointLights()[0], &lightColor, &rotateLightSource, &postProcessingProgram, &intensity, &drawShadows);
renderImGui(world.getEntities(), &world.getPointLights()[0], &lightColor, &rotateEntity, &rotateLightSource, &postProcessingProgram, &intensity, &drawShadows);
#endif
glfwSwapBuffers(gameWindow->getGLFWwindow());
@@ -228,7 +236,7 @@ void Controller::updateExposure(ShaderProgram *shaderProgram) {
}
#ifdef _DEBUG
void Controller::renderImGui(std::vector<Entity> *entites, PointLight *pointLight, glm::vec3 *lightColor, bool *rotateLightSource, ShaderProgram *postProcessingProgram, float *intensity, bool *drawShadows) {
void Controller::renderImGui(std::vector<Entity> *entites, PointLight *pointLight, glm::vec3 *lightColor, bool *rotateEntity, bool *rotateLightSource, ShaderProgram *postProcessingProgram, float *intensity, bool *drawShadows) {
ImGui_ImplOpenGL3_NewFrame();
ImGui_ImplGlfw_NewFrame();
ImGui::NewFrame();
@@ -243,9 +251,10 @@ void Controller::renderImGui(std::vector<Entity> *entites, PointLight *pointLigh
ImGui::SliderFloat3("Position", translation, -4.0, 4.0);
static float scale = 0.2f;
ImGui::SliderFloat("Scale", &scale, 0.02, 2.0);
ImGui::Checkbox("Rotate Object", rotateEntity);
entites->operator[](0).setPosition(glm::vec3(translation[0], translation[1], translation[2]));
entites->operator[](0).setRotation(glm::vec3(0.f,1.0f,0.f), rotation);
if(!*rotateEntity) entites->operator[](0).setRotation(glm::vec3(0.f,1.0f,0.f), rotation);
entites->operator[](0).setScale(scale);
// color picker