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mirror of https://github.com/Nexoniarz/Fry3DX.git synced 2026-11-03 12:34:27 +00:00
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Close up no longer falls apart: how near the nearest thing is goes by each object's box (not a ball round it: inside a big or long flat one's ball it came to nothing, the near plane with it, and surfaces fought each other in blocks, jittering, the sky and grid gone), the near plane a quarter of the way to it; reference pictures count too. Grid lines meet exactly where their pieces join (no crawling dots): a streak's ends each face the eye, each its own width; pieces a quarter further from the eye each. The depth pre-pass waited on before the scene uses it; the same depth in both (invariant)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-21 17:08:13 +02:00
commit 9d9557117a
9 changed files with 102 additions and 51 deletions
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4
engine/shaders/sprite.vert
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@ -15,6 +15,10 @@ void main() {
float c = cos(pc.right.w), s = sin(pc.right.w);
vec2 r = vec2(c * q.x - s * q.y, s * q.x + c * q.y);
vec3 world = pc.posSize.xyz + (pc.right.xyz * r.x + pc.up.xyz * r.y) * pc.posSize.w;
if (pc.posSize.w < 0.0) { // a streak: right.xyz the eye, w its half width at the far end; each end's side faces the eye
vec3 end = pc.posSize.xyz + pc.up.xyz * q.y, side = cross(pc.up.xyz, pc.right.xyz - end);
world = end + (length(side) > 1e-9 ? normalize(side) : vec3(0.0, 0.0, 1.0)) * q.x * (q.y < 0.0 ? -pc.posSize.w : pc.right.w);
}
v_uv = q * 0.5 + 0.5;
v_uv.y = 1.0 - v_uv.y;
gl_Position = pc.viewProj * vec4(world, 1.0);