martin
/
protot
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Some more progress in visualizing splits

simple_math_single_header
Martin Felis 2018-06-29 21:18:38 +02:00
parent f5504efea7
commit 3b327af022
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/modules/RenderModule.cc
View File

@ -808,12 +808,17 @@ void Renderer::DebugDrawShadowCascades() {
float tan_half_hfov = tanf(0.5f * fov * M_PI / 180.0f); float tan_half_hfov = tanf(0.5f * fov * M_PI / 180.0f);
float tan_half_vfov = tanf(0.5f * aspect * fov * M_PI / 180.0f); float tan_half_vfov = tanf(0.5f * aspect * fov * M_PI / 180.0f);
Vector3f eye (4., 4., 2.0);
Vector3f dir (1., 0., sin(gTimer->mCurrentTime));
Matrix44f look_at = LookAt(eye, eye + dir, Vector3f (0., 1.0, 0.0));
// for (int i = 0; i < mLight.mShadowSplits.size(); ++i) { // for (int i = 0; i < mLight.mShadowSplits.size(); ++i) {
for (int i = 0; i < 3; ++i) { for (int i = 0; i < 3; ++i) {
split_near = near + mLight.mShadowSplits[i] * length; split_near = near + mLight.mShadowSplits[i] * length;
float split_far = near + mLight.mShadowSplits[i + 1] * length; float split_far = near + mLight.mShadowSplits[i + 1] * length;
Matrix44f view_frustum = Perspective (fov, aspect, split_near, split_far).inverse(); Matrix44f view_frustum = (look_at * Perspective (fov, aspect, split_near, split_far)).inverse();
Matrix44f model_view_projection = Matrix44f model_view_projection =
view_frustum view_frustum
@ -851,7 +856,7 @@ void Renderer::DebugDrawShadowCascades() {
float max_z = -std::numeric_limits<float>::max(); float max_z = -std::numeric_limits<float>::max();
for (int j = 0; j < 8; ++j) { for (int j = 0; j < 8; ++j) {
Vector4f v_world = frustum_corners[j]; Vector4f v_world = look_at.inverse().transpose() * frustum_corners[j];
frustum_corners_world[j] = v_world; frustum_corners_world[j] = v_world;
// gLog("vworld %d: %.3f, %.3f, %.3f, %.3f", j, // gLog("vworld %d: %.3f, %.3f, %.3f, %.3f", j,
@ -884,7 +889,7 @@ void Renderer::DebugDrawShadowCascades() {
model_view_projection = model_view_projection =
ScaleMat44 (dimensions[0], dimensions[1], dimensions[2]) ScaleMat44 (dimensions[0], dimensions[1], dimensions[2])
* TranslateMat44(center[0], center[1], -center[2]) * TranslateMat44(center[0], center[1], center[2])
* mCamera.mViewMatrix * mCamera.mViewMatrix
* mCamera.mProjectionMatrix; * mCamera.mProjectionMatrix;