pandemonium_demo_projects/misc/opensimplexnoise/OpenSimplexNoise_Viewer.shader

21 lines
367 B
GLSL

shader_type canvas_item;
uniform float min_value = -1;
uniform float max_value = 1;
void fragment() {
// Get the color.
vec4 color = texture(TEXTURE, UV);
// Compare the value.
float gray = color.x;
if (gray < min_value) {
color = vec4(0, 0, 0, 1);
} else if (gray > max_value) {
color = vec4(1, 1, 1, 1);
}
// Write back the color.
COLOR = color;
}