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ENH: rendering: refine the rendering logic of GLVolume

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1. set the unprintable volume to black even if it is mmu painted
2. add the bounding check logic when the object is partly inside of current plate

Change-Id: I69ce25eb85a71398ed8fb1d275136c5d943796d6
This commit is contained in:
lane.wei 2022-08-23 15:28:59 +08:00 • committed by Lane.Wei
parent 3911344495
commit 5a2b0e845e
4 changed files with 41 additions and 12 deletions
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17
resources/shaders/gouraud.fs
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@ -64,6 +64,23 @@ void main()
alpha = 1.0;
}
// if the fragment is outside the print volume -> use darker color
vec3 pv_check_min = ZERO;
vec3 pv_check_max = ZERO;
if (print_volume.type == 0) {
// rectangle
pv_check_min = world_pos.xyz - vec3(print_volume.xy_data.x, print_volume.xy_data.y, print_volume.z_data.x);
pv_check_max = world_pos.xyz - vec3(print_volume.xy_data.z, print_volume.xy_data.w, print_volume.z_data.y);
color = (any(lessThan(pv_check_min, ZERO)) || any(greaterThan(pv_check_max, ZERO))) ? mix(color, ZERO, 0.3333) : color;
}
else if (print_volume.type == 1) {
// circle
float delta_radius = print_volume.xy_data.z - distance(world_pos.xy, print_volume.xy_data.xy);
pv_check_min = vec3(delta_radius, 0.0, world_pos.z - print_volume.z_data.x);
pv_check_max = vec3(0.0, 0.0, world_pos.z - print_volume.z_data.y);
color = (any(lessThan(pv_check_min, ZERO)) || any(greaterThan(pv_check_max, ZERO))) ? mix(color, ZERO, 0.3333) : color;
}
//BBS: add outline_color
if (is_outline)
gl_FragColor = uniform_color;