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paint: cleanup

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This commit is contained in:
luboslenco
2026-06-04 11:00:05 +02:00
parent a940b75f90
commit 114efb2458
183 changed files with 637 additions and 632 deletions
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paint/sources/render/make_particle.c
+19
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@@ -0,0 +1,19 @@
#include "../global.h"
void make_particle_mask(node_shader_t *kong) {
node_shader_add_out(kong, "wpos: float4");
node_shader_add_constant(kong, "W: float4x4", "_world_matrix");
node_shader_write_attrib_vert(kong, "output.wpos = constants.W * float4(input.pos.xyz, 1.0);");
node_shader_add_constant(kong, "particle_hit: float3", "_particle_hit");
node_shader_add_constant(kong, "particle_hit_last: float3", "_particle_hit_last");
node_shader_add_constant(kong, "particle_radius: float", "_particle_radius");
node_shader_write_frag(kong, "var pa: float3 = input.wpos.xyz - constants.particle_hit;");
node_shader_write_frag(kong, "var ba: float3 = constants.particle_hit_last - constants.particle_hit;");
node_shader_write_frag(kong, "var h: float = clamp(dot(pa, ba) / max(dot(ba, ba), 0.00000001), 0.0, 1.0);");
node_shader_write_frag(kong, "dist = length(pa - ba * h) * (5.0 / constants.particle_radius);");
node_shader_write_frag(kong, "if (dist > 1.0) { discard; }");
node_shader_write_frag(kong, "var str: float = clamp(pow(1.0 / dist * constants.brush_hardness * 0.2, 4.0), 0.0, 1.0) * opacity;");
node_shader_write_frag(kong, "if (str == 0.0) { discard; }");
}