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-rw-r--r--assets/common/shaders/render/scene_query_bvh.wgsl67
1 files changed, 0 insertions, 67 deletions
diff --git a/assets/common/shaders/render/scene_query_bvh.wgsl b/assets/common/shaders/render/scene_query_bvh.wgsl
deleted file mode 100644
index 3e6f895..0000000
--- a/assets/common/shaders/render/scene_query_bvh.wgsl
+++ /dev/null
@@ -1,67 +0,0 @@
-#include "math/sdf_shapes"
-#include "math/sdf_utils"
-
-struct BVHNode {
- min: vec3<f32>,
- left_idx: i32,
- max: vec3<f32>,
- obj_idx_or_right: i32,
-};
-
-@group(0) @binding(2) var<storage, read> bvh_nodes: array<BVHNode>;
-
-fn get_dist(p: vec3<f32>, obj_params: vec4<f32>) -> f32 {
- let obj_type = obj_params.x;
- if (obj_type == 1.0) { return length(p) - 1.0; } // Unit Sphere
- if (obj_type == 2.0) { return sdBox(p, vec3<f32>(1.0)); } // Unit Box
- if (obj_type == 3.0) { return sdTorus(p, vec2<f32>(1.0, 0.4)); } // Unit Torus
- if (obj_type == 4.0) { return sdPlane(p, vec3<f32>(0.0, 1.0, 0.0), 0.0); }
- if (obj_type == 5.0) { return sdBox(p, obj_params.yzw); } // MESH AABB
- return 100.0;
-}
-
-fn map_scene(p: vec3<f32>, skip_idx: u32) -> f32 {
- var d = 1000.0;
- var stack: array<i32, 32>;
- var stack_ptr = 0;
-
- if (arrayLength(&bvh_nodes) > 0u) {
- stack[stack_ptr] = 0;
- stack_ptr++;
- }
-
- while (stack_ptr > 0) {
- stack_ptr--;
- let node_idx = stack[stack_ptr];
- let node = bvh_nodes[node_idx];
-
- if (aabb_sdf(p, node.min, node.max) < d) {
- if (node.left_idx < 0) { // Leaf
- let obj_idx = u32(node.obj_idx_or_right);
- if (obj_idx == skip_idx) { continue; }
- let obj = object_data.objects[obj_idx];
- let q = (obj.inv_model * vec4<f32>(p, 1.0)).xyz;
-
- // Extract scale factors from the model matrix
- let sx = length(obj.model[0].xyz);
- let sy = length(obj.model[1].xyz);
- let sz = length(obj.model[2].xyz);
-
- var s = min(sx, min(sy, sz));
- if (obj.params.x == 4.0) {
- s = sy; // Plane normal is (0,1,0) in local space
- }
-
- d = min(d, get_dist(q, obj.params) * s);
- } else { // Internal
- if (stack_ptr < 31) {
- stack[stack_ptr] = node.left_idx;
- stack_ptr++;
- stack[stack_ptr] = node.obj_idx_or_right;
- stack_ptr++;
- }
- }
- }
- }
- return d;
-}