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Code Issues 123 Wiki Activity

shadow changes

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This commit is contained in:
VB
2017-07-03 12:10:21 +02:00
parent 2b51d8229e
commit 689ad7206e
5 changed files with 91 additions and 24 deletions
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29
renderer.cpp
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@@ -113,11 +113,14 @@ opengl_renderer::Init( GLFWwindow *Window ) {
glGenTextures(1, &depth_tex);
glBindTexture(GL_TEXTURE_2D, depth_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT,
1024, 1024, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
Global::shadowtune.map_size, Global::shadowtune.map_size, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
float borderColor[] = { 1.0f, 1.0f, 1.0f, 1.0f };
glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_FRAMEBUFFER, depth_tex);
@@ -174,12 +177,13 @@ opengl_renderer::Render() {
if( World.InitPerformed() ) {
glDebug("rendering shadow map");
glDisable(GL_FRAMEBUFFER_SRGB);
glViewport(0, 0, 1024, 1024);
glViewport(0, 0, Global::shadowtune.map_size, Global::shadowtune.map_size);
glm::mat4 depthproj = glm::ortho(-10.0f, 10.0f, -10.0f, 10.0f, 0.1f, 100.0f);
glm::mat4 depthproj = glm::ortho(-Global::shadowtune.width, Global::shadowtune.width,
-Global::shadowtune.width, Global::shadowtune.width, 0.0f, Global::shadowtune.depth);
glm::vec3 playerpos = glm::vec3(World.Camera.Pos.x, World.Camera.Pos.y, World.Camera.Pos.z);
glm::vec3 shadoweye = playerpos - Global::daylight.direction * 50.0f;
Global::SetCameraPosition(Math3D::vector3(shadoweye));
glm::vec3 shadoweye = playerpos - Global::daylight.direction * Global::shadowtune.distance;
Global::SetCameraPosition(Math3D::vector3(0.0f, 0.0f, 0.0f));
glm::mat4 depthcam = glm::lookAt(shadoweye,
playerpos,
glm::vec3(0.0f, 1.0f, 0.0f));
@@ -187,7 +191,7 @@ opengl_renderer::Render() {
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(glm::value_ptr(depthproj));
glMatrixMode(GL_MODELVIEW);
glMultMatrixf(glm::value_ptr(glm::mat4(glm::mat3(depthcam))));
glMultMatrixf(glm::value_ptr(depthcam));
glBindFramebuffer(GL_FRAMEBUFFER, depth_fbo);
glClear(GL_DEPTH_BUFFER_BIT);
@@ -209,7 +213,7 @@ opengl_renderer::Render() {
glm::dmat4 worldcamera;
World.Camera.SetMatrix( worldcamera );
m_camera.update_frustum( OpenGLMatrices.data( GL_PROJECTION ), worldcamera);
::glMultMatrixd(glm::value_ptr(glm::dmat4(glm::dmat3(worldcamera))));
::glMultMatrixd(glm::value_ptr(worldcamera));
shader.bind(); active_shader = &shader;
glDebug("rendering environment");
glDisable(GL_FRAMEBUFFER_SRGB);
@@ -217,7 +221,8 @@ opengl_renderer::Render() {
glDebug("rendering world");
glEnable(GL_FRAMEBUFFER_SRGB);
shader.set_lightview(depthproj * depthcam); //to jest źle. nie uwzględnia przesunięcia to wiadomo, ale obrót też jest źle
Global::SetCameraPosition(Math3D::vector3(0.0f, 0.0f, 0.0f));
shader.set_lightview(depthproj * depthcam * glm::inverse(glm::mat4(worldcamera)));
Render( &World.Ground );
glDebug("rendering cab");