3D-printing/OrcaSlicer
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Implemented a level of detail on the variable layer height editing tool.

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bubnikv 2017-02-20 21:54:53 +01:00
parent 440a5eb2a0
commit 8cfdc28f2b
1 changed files with 17 additions and 7 deletions
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24
lib/Slic3r/GUI/3DScene.pm
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@ -208,8 +208,10 @@ sub layer_editing_enabled {
} else {
($self->{layer_preview_z_texture_id}) = glGenTextures_p(1);
glBindTexture(GL_TEXTURE_2D, $self->{layer_preview_z_texture_id});
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
glBindTexture(GL_TEXTURE_2D, 0);
}
@ -1687,15 +1689,23 @@ void main()
float z_texture_row = floor(object_z_row);
// Normalized coordinate from 0. to 1.
float z_texture_col = object_z_row - z_texture_row;
// float z_blend = 0.5 + 0.5 * cos(min(M_PI, abs(M_PI * (object_z - z_cursor) / 3.)));
// float z_blend = 0.5 * cos(min(M_PI, abs(M_PI * (object_z - z_cursor)))) + 0.5;
float z_blend = 0.25 * cos(min(M_PI, abs(M_PI * (object_z - z_cursor) * 1.8 / z_cursor_band_width))) + 0.25;
// Scale z_texture_row to normalized coordinates.
// Sample the Z texture.
// Calculate level of detail from the object Z coordinate.
// This makes the slowly sloping surfaces to be show with high detail (with stripes),
// and the vertical surfaces to be shown with low detail (no stripes)
float z_in_cells = object_z_row * 190.;
// Gradient of Z projected on the screen.
float dx_vtc = dFdx(z_in_cells);
float dy_vtc = dFdy(z_in_cells);
float lod = clamp(0.5 * log2(max(dx_vtc*dx_vtc, dy_vtc*dy_vtc)), 0., 1.);
// Sample the Z texture. Texture coordinates are normalized to <0, 1>.
vec4 color =
(1. - lod) * texture2DLod(z_texture, vec2(z_texture_col, z_texture_row_to_normalized * (z_texture_row + 0.5 )), 0.) +
lod * texture2DLod(z_texture, vec2(z_texture_col, z_texture_row_to_normalized * (z_texture_row * 2. + 1.)), 1.);
// Mix the final color.
gl_FragColor =
vec4(intensity_specular, intensity_specular, intensity_specular, 1.) +
// intensity_tainted * texture2D(z_texture, vec2(z_texture_col, z_texture_row_to_normalized * (z_texture_row + 0.5)), -2.5);
(1. - z_blend) * intensity_tainted * texture2D(z_texture, vec2(z_texture_col, z_texture_row_to_normalized * (z_texture_row + 0.5)), -200.) +
(1. - z_blend) * intensity_tainted * color +
z_blend * vec4(1., 1., 0., 0.);
// and reset the transparency.
gl_FragColor.a = 1.;