From 890d3468e757421629b31dca9198677bdd974f50 Mon Sep 17 00:00:00 2001 From: Nils Dagsson Moskopp Date: Mon, 18 Jul 2011 22:50:14 +0200 Subject: + volumetric clouds (thanks teddydestodes) --- src/clouds.cpp | 73 +++++++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 62 insertions(+), 11 deletions(-) (limited to 'src/clouds.cpp') diff --git a/src/clouds.cpp b/src/clouds.cpp index 122beedac..022550414 100644 --- a/src/clouds.cpp +++ b/src/clouds.cpp @@ -125,22 +125,73 @@ void Clouds::render() m_seed, 3, 0.4); if(noise < 0.8) continue; - - v2f p1 = p0 + v2f(1,1)*cloud_size; - //video::SColor c(128,255,255,255); float b = m_brightness; video::SColor c(128,b*230,b*230,b*255); - video::S3DVertex vertices[4] = + + video::S3DVertex v[4] = { - video::S3DVertex(p0.X,m_cloud_y,p0.Y, 0,0,0, c, 0,1), - video::S3DVertex(p0.X,m_cloud_y,p1.Y, 0,0,0, c, 1,1), - video::S3DVertex(p1.X,m_cloud_y,p1.Y, 0,0,0, c, 1,0), - video::S3DVertex(p1.X,m_cloud_y,p0.Y, 0,0,0, c, 0,0), + video::S3DVertex(0,0,0, 0,0,0, c, 0, 1), + video::S3DVertex(0,0,0, 0,0,0, c, 1, 1), + video::S3DVertex(0,0,0, 0,0,0, c, 1, 0), + video::S3DVertex(0,0,0, 0,0,0, c, 0, 0) }; - u16 indices[] = {0,1,2,2,3,0}; - driver->drawVertexPrimitiveList(vertices, 4, indices, 2, - video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); + + f32 rx = cloud_size; + f32 ry = 16*BS; + f32 rz = cloud_size; + + for(int i=0;i<6;i++) + { + switch(i) + { + case 0: // top + v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; + v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; + v[2].Pos.X= rx; v[2].Pos.Y= ry; v[2].Pos.Z= rz; + v[3].Pos.X= rx; v[3].Pos.Y= ry, v[3].Pos.Z=-rz; + break; + case 1: // back + v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; + v[1].Pos.X= rx; v[1].Pos.Y= ry; v[1].Pos.Z=-rz; + v[2].Pos.X= rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; + v[3].Pos.X=-rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; + break; + case 2: //right + v[0].Pos.X= rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; + v[1].Pos.X= rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; + v[2].Pos.X= rx; v[2].Pos.Y=-ry; v[2].Pos.Z= rz; + v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; + break; + case 3: // front + v[0].Pos.X= rx; v[0].Pos.Y= ry; v[0].Pos.Z= rz; + v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; + v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z= rz; + v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z= rz; + break; + case 4: // left + v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z= rz; + v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z=-rz; + v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; + v[3].Pos.X=-rx; v[3].Pos.Y=-ry, v[3].Pos.Z= rz; + break; + case 5: // bottom + v[0].Pos.X= rx; v[0].Pos.Y=-ry; v[0].Pos.Z= rz; + v[1].Pos.X=-rx; v[1].Pos.Y=-ry; v[1].Pos.Z= rz; + v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; + v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; + break; + } + + v3f pos = v3f(p0.X,m_cloud_y,p0.Y); + + for(u16 i=0; i<4; i++) + v[i].Pos += pos; + u16 indices[] = {0,1,2,2,3,0}; + driver->drawVertexPrimitiveList(v, 4, indices, 2, + video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT); + } + } } -- cgit v1.2.3 From a99b7e6e050c40d95d788d2dec56bf3b56c5844f Mon Sep 17 00:00:00 2001 From: Nils Dagsson Moskopp Date: Tue, 19 Jul 2011 01:43:30 +0200 Subject: + fake shading for the volumetric clouds --- src/clouds.cpp | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) (limited to 'src/clouds.cpp') diff --git a/src/clouds.cpp b/src/clouds.cpp index 022550414..19bcca942 100644 --- a/src/clouds.cpp +++ b/src/clouds.cpp @@ -127,18 +127,21 @@ void Clouds::render() continue; float b = m_brightness; - video::SColor c(128,b*230,b*230,b*255); + video::SColor c_top(128,b*240,b*240,b*255); + video::SColor c_side_1(128,b*230,b*230,b*255); + video::SColor c_side_2(128,b*220,b*220,b*245); + video::SColor c_bottom(128,b*205,b*205,b*230); video::S3DVertex v[4] = { - video::S3DVertex(0,0,0, 0,0,0, c, 0, 1), - video::S3DVertex(0,0,0, 0,0,0, c, 1, 1), - video::S3DVertex(0,0,0, 0,0,0, c, 1, 0), - video::S3DVertex(0,0,0, 0,0,0, c, 0, 0) + video::S3DVertex(0,0,0, 0,0,0, c_top, 0, 1), + video::S3DVertex(0,0,0, 0,0,0, c_top, 1, 1), + video::S3DVertex(0,0,0, 0,0,0, c_top, 1, 0), + video::S3DVertex(0,0,0, 0,0,0, c_top, 0, 0) }; f32 rx = cloud_size; - f32 ry = 16*BS; + f32 ry = 8*BS; f32 rz = cloud_size; for(int i=0;i<6;i++) @@ -152,30 +155,40 @@ void Clouds::render() v[3].Pos.X= rx; v[3].Pos.Y= ry, v[3].Pos.Z=-rz; break; case 1: // back + for(int j=0;j<4;j++) + v[j].Color=c_side_1; v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; v[1].Pos.X= rx; v[1].Pos.Y= ry; v[1].Pos.Z=-rz; v[2].Pos.X= rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; v[3].Pos.X=-rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; break; case 2: //right + for(int j=0;j<4;j++) + v[j].Color=c_side_2; v[0].Pos.X= rx; v[0].Pos.Y= ry; v[0].Pos.Z=-rz; v[1].Pos.X= rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; v[2].Pos.X= rx; v[2].Pos.Y=-ry; v[2].Pos.Z= rz; v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z=-rz; break; case 3: // front + for(int j=0;j<4;j++) + v[j].Color=c_side_1; v[0].Pos.X= rx; v[0].Pos.Y= ry; v[0].Pos.Z= rz; v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z= rz; v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z= rz; v[3].Pos.X= rx; v[3].Pos.Y=-ry, v[3].Pos.Z= rz; break; case 4: // left + for(int j=0;j<4;j++) + v[j].Color=c_side_2; v[0].Pos.X=-rx; v[0].Pos.Y= ry; v[0].Pos.Z= rz; v[1].Pos.X=-rx; v[1].Pos.Y= ry; v[1].Pos.Z=-rz; v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; v[3].Pos.X=-rx; v[3].Pos.Y=-ry, v[3].Pos.Z= rz; break; case 5: // bottom + for(int j=0;j<4;j++) + v[j].Color=c_bottom; v[0].Pos.X= rx; v[0].Pos.Y=-ry; v[0].Pos.Z= rz; v[1].Pos.X=-rx; v[1].Pos.Y=-ry; v[1].Pos.Z= rz; v[2].Pos.X=-rx; v[2].Pos.Y=-ry; v[2].Pos.Z=-rz; -- cgit v1.2.3 From 6791c856b27fb48bf8676f5a3f66c9f6cd1b43c4 Mon Sep 17 00:00:00 2001 From: Nils Dagsson Moskopp Date: Wed, 20 Jul 2011 02:44:51 +0200 Subject: * by popular request, fewer clouds --- src/clouds.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/clouds.cpp') diff --git a/src/clouds.cpp b/src/clouds.cpp index 19bcca942..d754cc15e 100644 --- a/src/clouds.cpp +++ b/src/clouds.cpp @@ -84,7 +84,7 @@ void Clouds::render() */ const s16 cloud_radius_i = 12; - const float cloud_size = BS*50; + const float cloud_size = BS*48; const v2f cloud_speed(-BS*2, 0); // Position of cloud noise origin in world coordinates @@ -123,7 +123,7 @@ void Clouds::render() (float)p_in_noise_i.X*cloud_size/BS/200, (float)p_in_noise_i.Y*cloud_size/BS/200, m_seed, 3, 0.4); - if(noise < 0.8) + if(noise < 0.95) continue; float b = m_brightness; -- cgit v1.2.3