43 lines
1.6 KiB
GLSL
43 lines
1.6 KiB
GLSL
#version 110
|
|
|
|
const vec3 ZERO = vec3(0.0, 0.0, 0.0);
|
|
const vec3 WHITE = vec3(1.0, 1.0, 1.0);
|
|
struct PrintVolumeDetection
|
|
{
|
|
// 0 = rectangle, 1 = circle, 2 = custom, 3 = invalid
|
|
int type;
|
|
// type = 0 (rectangle):
|
|
// x = min.x, y = min.y, z = max.x, w = max.y
|
|
// type = 1 (circle):
|
|
// x = center.x, y = center.y, z = radius
|
|
vec4 xy_data;
|
|
// x = min z, y = max z
|
|
vec2 z_data;
|
|
};
|
|
|
|
uniform vec4 uniform_color;
|
|
uniform float emission_factor;
|
|
uniform PrintVolumeDetection print_volume;
|
|
// x = diffuse, y = specular;
|
|
varying vec2 intensity;
|
|
varying vec4 world_pos;
|
|
void main()
|
|
{
|
|
vec3 color = uniform_color.rgb;
|
|
float alpha = uniform_color.a;
|
|
// 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);
|
|
}
|
|
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, WHITE, 0.3333) : color;
|
|
//gl_FragColor = vec4(vec3(intensity.y) + color * intensity.x, alpha);
|
|
gl_FragColor = vec4(vec3(intensity.y) + color * (intensity.x + emission_factor), alpha);
|
|
} |