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try one entity, convert to mat4x4

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This commit is contained in:
Quaternions 2023-09-05 13:05:40 -07:00
parent 87f674238d
commit 1a1509f315
2 changed files with 10 additions and 20 deletions
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15
src/main.rs
View File

@ -35,8 +35,6 @@ struct Camera {
walkspeed: f32, walkspeed: f32,
} }
const MAGIC_ENTITIES: usize = 7;
const CONTROL_MOVEFORWARD:u32 = 0b00000001; const CONTROL_MOVEFORWARD:u32 = 0b00000001;
const CONTROL_MOVEBACK:u32 = 0b00000010; const CONTROL_MOVEBACK:u32 = 0b00000010;
const CONTROL_MOVERIGHT:u32 = 0b00000100; const CONTROL_MOVERIGHT:u32 = 0b00000100;
@ -148,12 +146,9 @@ impl Skybox {
} }
} }
fn get_entity_uniform_data(entities:& Vec<Entity>) -> [f32; (9+3)*MAGIC_ENTITIES] { fn get_entity_uniform_data(entity:&Entity) -> [f32; 4*4] {
let mut raw = [0f32; (9+3)*MAGIC_ENTITIES]; let mut raw = [0f32; 4*4];
for (i,entity) in entities.iter().enumerate() { raw[0..16].copy_from_slice(&AsRef::<[f32; 4*4]>::as_ref(&glam::Mat4::from(entity.transform))[..]);
raw[i*12..(i+1)*12-3].copy_from_slice(&AsRef::<[f32; 9]>::as_ref(&glam::Mat3::from(entity.transform.matrix3))[..]);
raw[i*12+9..(i+1)*12].copy_from_slice(AsRef::<[f32; 3]>::as_ref(&glam::Vec3::from(entity.transform.translation)));
}
raw raw
} }
@ -284,7 +279,7 @@ impl strafe_client::framework::Example for Skybox {
usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST, usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
}); });
let entity_uniforms = get_entity_uniform_data(&entities); let entity_uniforms = get_entity_uniform_data(&entities[6]);
let entity_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor { let entity_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
label: Some("EntityData"), label: Some("EntityData"),
contents: bytemuck::cast_slice(&entity_uniforms), contents: bytemuck::cast_slice(&entity_uniforms),
@ -634,7 +629,7 @@ impl strafe_client::framework::Example for Skybox {
device, device,
) )
.copy_from_slice(bytemuck::cast_slice(&camera_uniforms)); .copy_from_slice(bytemuck::cast_slice(&camera_uniforms));
let entity_uniforms = get_entity_uniform_data(&self.entities); let entity_uniforms = get_entity_uniform_data(&self.entities[6]);
self.staging_belt self.staging_belt
.write_buffer( .write_buffer(
&mut encoder, &mut encoder,

15
src/shader.wgsl
View File

@ -67,25 +67,20 @@ struct EntityOutput {
@location(3) view: vec3<f32>, @location(3) view: vec3<f32>,
}; };
struct EntityTransform {
matrix3: mat3x3<f32>,
translation: vec3<f32>,
};
@group(1) @group(1)
@binding(0) @binding(0)
var<uniform> r_EntityTransform: EntityTransform; var<uniform> r_EntityTransform: mat4x4<f32>;
@vertex @vertex
fn vs_entity( fn vs_entity(
@location(0) pos: vec3<f32>, @location(0) pos: vec3<f32>,
@location(1) normal: vec3<f32>, @location(1) normal: vec3<f32>,
) -> EntityOutput { ) -> EntityOutput {
var position: vec3<f32> = r_EntityTransform.matrix3 * pos+r_EntityTransform.translation; var position: vec4<f32> = r_EntityTransform * vec4<f32>(pos, 1.0);
var result: EntityOutput; var result: EntityOutput;
result.normal = r_EntityTransform.matrix3 * normal; result.normal = (r_EntityTransform * vec4<f32>(normal, 0.0)).xyz;
result.view = position - r_data.cam_pos.xyz; result.view = position.xyz - r_data.cam_pos.xyz;
result.position = r_data.proj * r_data.view * vec4<f32>(position, 1.0); result.position = r_data.proj * r_data.view * position;
return result; return result;
} }