brossferatu/coven
Public Access
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Physics improvements

Browse Source
This commit is contained in:
Daniel Bross
2025-03-29 00:18:27 +01:00
parent b6b1371af5
commit 7428ee7fed
3 changed files with 53 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
physics/physics.jai
View File

@@ -43,9 +43,19 @@ Collision_Layers :: enum_flags {
ALL :: .LAYER1 | LAYER2 | .LAYER3 | .LAYER4 | .LAYER5 | .LAYER6 | .LAYER7 | .LAYER8 | .LAYER9 | .LAYER10;
}
Collider_Bake_Mode :: enum {
AABB;
FULL_MESH;
ONLY_FACING_UP;
}
Collider :: struct {
type : Collider_Type;
bake_mode: Collider_Bake_Mode;
layer: Collision_Layers = .LAYER1;
collides_with_layers: Collision_Layers = .LAYER1;
@@ -78,19 +88,43 @@ Physics_Body :: struct {
}
update_mesh_collider :: (e: *Entity) {
if e.collider.mesh.vertices.count == 0 {
array_resize(*e.collider.mesh.vertices, 8);
}
if e.collider.bake_mode == {
case .AABB; {
if e.collider.mesh.vertices.count == 0 {
array_resize(*e.collider.mesh.vertices, 8);
}
m := e.transform.model_matrix;
e.collider.mesh.vertices[0] = transform_position(e.collider.aabb.min, m);
e.collider.mesh.vertices[1] = transform_position(e.collider.aabb.max, m);
e.collider.mesh.vertices[2] = transform_position(.{e.collider.aabb.min.x, e.collider.aabb.min.y, e.collider.aabb.max.z}, m);
e.collider.mesh.vertices[3] = transform_position(.{e.collider.aabb.max.x, e.collider.aabb.min.y, e.collider.aabb.max.z}, m);
e.collider.mesh.vertices[4] = transform_position(.{e.collider.aabb.max.x, e.collider.aabb.min.y, e.collider.aabb.min.z}, m);
e.collider.mesh.vertices[5] = transform_position(.{e.collider.aabb.min.x, e.collider.aabb.max.y, e.collider.aabb.max.z}, m);
e.collider.mesh.vertices[6] = transform_position(.{e.collider.aabb.max.x, e.collider.aabb.max.y, e.collider.aabb.min.z}, m);
e.collider.mesh.vertices[7] = transform_position(.{e.collider.aabb.min.x, e.collider.aabb.max.y, e.collider.aabb.min.z}, m);
m := e.transform.model_matrix;
e.collider.mesh.vertices[0] = transform_position(e.collider.aabb.min, m);
e.collider.mesh.vertices[1] = transform_position(e.collider.aabb.max, m);
e.collider.mesh.vertices[2] = transform_position(.{e.collider.aabb.min.x, e.collider.aabb.min.y, e.collider.aabb.max.z}, m);
e.collider.mesh.vertices[3] = transform_position(.{e.collider.aabb.max.x, e.collider.aabb.min.y, e.collider.aabb.max.z}, m);
e.collider.mesh.vertices[4] = transform_position(.{e.collider.aabb.max.x, e.collider.aabb.min.y, e.collider.aabb.min.z}, m);
e.collider.mesh.vertices[5] = transform_position(.{e.collider.aabb.min.x, e.collider.aabb.max.y, e.collider.aabb.max.z}, m);
e.collider.mesh.vertices[6] = transform_position(.{e.collider.aabb.max.x, e.collider.aabb.max.y, e.collider.aabb.min.z}, m);
e.collider.mesh.vertices[7] = transform_position(.{e.collider.aabb.min.x, e.collider.aabb.max.y, e.collider.aabb.min.z}, m);
}
case .FULL_MESH; {
//update_entity_transform(e);
model := get_model_by_handle(e.renderable.model);
if model {
for i: 0..e.renderable.num_nodes-1 {
render_node := e.renderable.nodes[i];
model_node := model.nodes[i];
for mesh_handle: model_node.meshes {
mesh := parray_get(*engine.renderer.meshes, mesh_handle);
for p: mesh.positions {
position := transform_position(p, render_node.transform.world_matrix);
array_add(*e.collider.mesh.vertices, position);
}
}
}
}
}
}
e.collider.mesh.is_baked = true;
}