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BVH and rays complete

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STP
2023-12-02 21:52:59 -05:00
parent d89e7f4951
commit d8488f24f7
9 changed files with 277 additions and 190 deletions
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11
src/bvh.rs
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@@ -260,9 +260,7 @@ impl BVH {
for i in 0..prim_count {
let node = &self.nodes[first_prim + i]; //Get the node from the Vec<Node>
let mut node_aabb = node.primitive.get_aabb(); //Get the primitive's AABB
node_aabb.transform_mut(&node.model); //Transform the AABB to world coordinates
bvh_node_aabb.join_mut(&node_aabb); //Join it with the BVH node's AABB
bvh_node_aabb.join_mut(&node.aabb); //Join it with the BVH node's AABB
}
// unsafe {
@@ -310,9 +308,7 @@ impl BVH {
// for i in 0..self.bvh_nodes[index].prim_count {
// let node = &self.nodes[first_prim_idx + i];
// //Get the centroid of the bounding box
// let centroid = node.primitive.get_aabb().get_centroid();
// //Place the centroid into world coordinates
// let world_centroid = node.model.transform_point(&centroid);
// let centroid = node.aabb.get_centroid();
// //Get the candidate position
// let candidate_pos = world_centroid[axis];
// let cost = self.evaluate_sah(&self.bvh_nodes[index], axis, candidate_pos);
@@ -340,8 +336,7 @@ impl BVH {
while i <= j {
//Perform a quicksort dependent on location
let node = &self.nodes[i]; // Node we would like to sort
let centroid = node.primitive.get_aabb().get_centroid(); //Centroid of node we would like to sort
let centroid = node.model.transform_point(&centroid); //Transform to world coordinates
let centroid = node.aabb.get_centroid(); //Centroid of node we would like to sort
if centroid[axis] < split_pos {
i += 1; // On Left-Hand-Side
} else {