atdunbg
cc837bc605
- .animctrl state machine asset (params/transitions/blend trees, 1D+2D directional blending) with Unity Animator-style editor panel: state list, transitions, params, directional pad preview driving live CrossFade on the selected entity - Split animation evaluation out of SceneRenderer into AnimationSystem/AnimationEvaluator; skin palettes with rest-pose fallback and blend-weight epsilon filtering - MaterialAsset (.material) with reload-safe preview tile pool (DropMaterial clears dirty refs before instance destruction) - EditorGizmoPass skeleton wires + viewport joint overlay; camera projection rework (baked Vulkan Y-flip, ortho support) - Editor/game build split via HELLOVULKAN_EDITOR option
85 lines
3.1 KiB
GLSL
85 lines
3.1 KiB
GLSL
#version 450
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// Editor gizmo 图标片元：按 aux.x（形状 id，与 SceneRenderer 收集常量
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// 一一对应）在 uv ∈ [-1,1] 上做程序化 SDF 造型，预乘 alpha 输出
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//（pass 侧混合 ONE, ONE_MINUS_SRC_ALPHA）。
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// 0 方向光（太阳盘 + 8 向光芒）
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// 1 点光（亮核 + 柔和光晕）
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// 2 相机（机身挖孔 + 镜头环 + 取景器凸块）
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// 3 天空盒（等距立方线框）
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// 4 天空光（环 + 内核点）
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layout(location = 0) in vec4 inColor;
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layout(location = 1) in vec4 inAux;
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layout(location = 0) out vec4 outColor;
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// 方框 SDF
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float sdBox(vec2 p, vec2 b) {
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vec2 d = abs(p) - b;
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return length(max(d, 0.0)) + min(max(d.x, d.y), 0.0);
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}
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// 线段 SDF
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float sdSegment(vec2 p, vec2 a, vec2 b) {
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vec2 pa = p - a, ba = b - a;
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float h = clamp(dot(pa, ba) / dot(ba, ba), 0.0, 1.0);
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return length(pa - ba * h);
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}
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// 等边六边形 SDF（circumradius r，iq 惯用式）
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float sdHexagon(vec2 p, float r) {
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const vec3 k = vec3(-0.866025404, 0.5, 0.577350269);
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p = abs(p);
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p -= 2.0 * min(dot(k.xy, p), 0.0) * k.xy;
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p -= vec2(clamp(p.x, -k.z * r, k.z * r), r);
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return length(p) * sign(p.y);
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}
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float ShapeSDF(vec2 p, int id) {
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if (id == 0) { // 方向光：太阳盘 + 8 向光芒
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float r = length(p);
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float disc = r - 0.38;
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float a = atan(p.y, p.x);
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float s45 = 0.78539816; // 45° 扇区
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float fa = abs(mod(a + s45 * 0.5, s45) - s45 * 0.5);
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float ray = max(r * sin(fa), abs(r - 0.58) - 0.20);
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return min(disc, ray);
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}
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if (id == 1) return length(p) - 0.22; // 点光亮核（光晕在 main）
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if (id == 2) { // 相机
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float body = sdBox(p - vec2(0.05, 0.0), vec2(0.50, 0.36));
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float hole = max(body, -(length(p - vec2(0.05, 0.0)) - 0.20));
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float ring = abs(length(p - vec2(0.05, 0.0)) - 0.28) - 0.035;
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float vf = sdBox(p - vec2(0.30, 0.44), vec2(0.14, 0.10));
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return min(min(hole, ring), vf);
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}
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if (id == 3) { // 天空盒：等距立方线框
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float hex = abs(sdHexagon(p, 0.72)) - 0.045;
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float e1 = sdSegment(p, vec2(0.0), vec2(0.0, -0.72)) - 0.045;
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float e2 = sdSegment(p, vec2(0.0), vec2(-0.6235, 0.36)) - 0.045;
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float e3 = sdSegment(p, vec2(0.0), vec2(0.6235, 0.36)) - 0.045;
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return min(hex, min(e1, min(e2, e3)));
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}
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// 天空光（id == 4）：环 + 内核点
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return min(abs(length(p) - 0.52) - 0.09, length(p) - 0.14);
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}
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void main() {
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vec2 uv = inAux.yz;
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int id = int(inAux.x + 0.5);
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// uv 空间的像素级边缘宽度（quad 上 uv 随屏幕像素线性变化）
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float aa = fwidth(uv.x) * 1.5 + 1e-4;
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float alpha = smoothstep(aa, -aa, ShapeSDF(uv, id));
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if (id == 1) { // 点光：核心外叠加径向光晕
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float r = length(uv);
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float halo = (1.0 - smoothstep(0.25, 1.0, r)) * 0.35;
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alpha = max(alpha, halo);
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}
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// 预乘 alpha：ONE / ONE_MINUS_SRC_ALPHA 混合下的正确形式
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outColor = vec4(inColor.rgb * alpha, alpha);
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}
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