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Fix heightmap shadow rt and draw the light pos

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This commit is contained in:
omigamedev
2019-01-10 22:21:44 +01:00
parent 9787175b13
commit 6ba29926ef
7 changed files with 40 additions and 22 deletions
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46
src/node_panel_grid.cpp
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@@ -133,8 +133,9 @@ void NodePanelGrid::init_controls()
m_groud_opacity->set_value(0);
gl.restore();
};
m_texture.create(1024, 1024);
m_sampler_linear.create();
m_texture.create(2048, 2048);
m_sampler_linear.create(GL_NEAREST);
m_sphere.create<8, 8>(.0001f);
}
float NodePanelGrid::get_height() const
@@ -157,13 +158,22 @@ void NodePanelGrid::draw_heightmap(const glm::mat4& proj, const glm::mat4& camer
auto mvp = proj * camera
* glm::translate(glm::vec3(0, get_offset(), 0));
auto light_yaw = m_hm_lyaw->get_value() * glm::pi<float>() * 2.f;
auto light_pitch = m_hm_lpitch->get_value() * 5;
auto light_pos = glm::vec3(sinf(light_yaw), light_pitch + get_offset(), cosf(light_yaw));
auto light_dir = glm::normalize(light_pos);
// DRAW SUN SPHERE
glDisable(GL_BLEND);
ShaderManager::use(kShader::Color);
ShaderManager::u_mat4(kShaderUniform::MVP, proj * camera *
glm::translate(light_pos) * glm::scale(glm::vec3(.1f)));
ShaderManager::u_vec4(kShaderUniform::Col, { 1, 0, 0, 1 });
m_sphere.draw_fill();
// DRAW SOLID
if (m_hm_image.m_data)
{
auto light_yaw = m_hm_lyaw->get_value() * glm::pi<float>() * 2.f;
auto light_pitch = m_hm_lpitch->get_value() * 5;
auto light_pos = glm::vec3(sinf(light_yaw), light_pitch, cosf(light_yaw));
auto light_dir = glm::normalize(light_pos);
if (m_shade_mode == ShadeMode::Solid)
{
@@ -225,7 +235,11 @@ void NodePanelGrid::bake_uvs()
return;
RTT fb;
#if defined(__IOS__) || defined(__ANDROID__)
fb.create(m_texture.size().x, m_texture.size().y, -1, GL_RGBA16F);
#else
fb.create(m_texture.size().x, m_texture.size().y, -1, GL_RGBA32F);
#endif
fb.bindFramebuffer();
fb.clear({ 1, 0, 0, 1 });
glDisable(GL_BLEND);
@@ -238,13 +252,13 @@ void NodePanelGrid::bake_uvs()
ShaderManager::u_int(kShaderUniform::Mode, 0);
m_hm_plane.draw_fill();
std::unique_ptr<float[]> data_nor(fb.readTextureDataFloat());
//stbi_write_jpg("bake-nor.jpg", fb.getWidth(), fb.getHeight(), 4, fb.readTextureData(), 75);
//stbi_write_png("bake-nor.png", fb.getWidth(), fb.getHeight(), 4, fb.readTextureData(), 0);
// bake position
ShaderManager::u_int(kShaderUniform::Mode, 1);
m_hm_plane.draw_fill();
std::unique_ptr<float[]> data_pos(fb.readTextureDataFloat());
//stbi_write_jpg("bake-pos.jpg", fb.getWidth(), fb.getHeight(), 4, fb.readTextureData(), 75);
//stbi_write_png("bake-pos.png", fb.getWidth(), fb.getHeight(), 4, fb.readTextureData(), 0);
fb.unbindFramebuffer();
fb.destroy();
@@ -263,7 +277,7 @@ void NodePanelGrid::bake_uvs()
auto light_yaw = m_hm_lyaw->get_value() * glm::pi<float>() * 2.f;
auto light_pitch = m_hm_lpitch->get_value() * 5;
auto light_pos = glm::vec3(sinf(light_yaw), light_pitch, cosf(light_yaw));
auto light_pos = glm::vec3(sinf(light_yaw), light_pitch + get_offset(), cosf(light_yaw));
auto light_dir = glm::normalize(light_pos);
auto data_out = std::make_unique<uint8_t[]>(fb.getWidth() * fb.getHeight() * 4);
@@ -272,10 +286,16 @@ void NodePanelGrid::bake_uvs()
for (int x = 0; x < fb.getWidth(); x++)
{
int i = y * fb.getHeight() + x;
auto nor = glm::make_vec4(&data_nor[i * 4]);
auto pos = glm::make_vec4(&data_pos[i * 4]);
auto nor = glm::make_vec3(&data_nor[i * 4]);
auto pos = glm::make_vec3(&data_pos[i * 4]);
auto& out = *reinterpret_cast<glm::i8vec4*>(&data_out[i * 4]);
if (glm::dot(nor, light_dir) <= 0.f)
{
out = { 50, 50, 50, 255 };
continue;
}
nanort::Ray<float> ray;
ray.org[0] = pos.x;// + nor.x * 0.005;
ray.org[1] = pos.y;// + nor.y * 0.005;
@@ -284,8 +304,8 @@ void NodePanelGrid::bake_uvs()
ray.dir[1] = light_dir.y;
ray.dir[2] = light_dir.z;
float kFar = 1.0e+30f;
ray.min_t = 0.001f;
float kFar = 20.0;
ray.min_t = 0.01f;
ray.max_t = kFar;
nanort::TriangleIntersector<> triangle_intersector(reinterpret_cast<float*>(m_hm_plane.vertices.data()), m_hm_plane.idx.data(), sizeof(vertex_t));