lorenzo/sideros
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implemented rotations

Browse source
This commit is contained in:
Lorenzo Torres 2025-08-06 16:35:29 +02:00
parent 7a634d53b5
commit defdf051ec
6 changed files with 29 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/renderer/Renderer.zig
View file

@ -20,6 +20,7 @@ current_frame: u32,
vertex_buffer: vk.Buffer,
index_buffer: vk.Buffer,
transform: math.Transform,
previous_time: std.time.Instant,
pub fn init(allocator: Allocator, instance_handle: vk.c.VkInstance, surface_handle: vk.c.VkSurfaceKHR) !Renderer {
const instance: vk.Instance = .{ .handle = instance_handle };
@ -68,7 +69,8 @@ pub fn init(allocator: Allocator, instance_handle: vk.c.VkInstance, surface_hand
// TODO: Why are we storing the buffer and not the Mesh?
.vertex_buffer = triangle.vertex_buffer,
.index_buffer = triangle.index_buffer,
.transform = math.Transform.init(.{0.0, 0.0, 0.0}, .{1.0, 1.0, 1.0}, .{0.0, 0.0, 0.0}),
.transform = math.Transform.init(.{0.0, 0.0, 0.0}, .{1.0, 1.0, 1.0}, .{0.0, math.rad(45.0), 0.0}),
.previous_time = try std.time.Instant.now(),
};
}
@ -87,6 +89,10 @@ pub fn render(pool: *ecs.Pool) anyerror!void {
var renderer = pool.resources.renderer;
var camera = pool.resources.camera;
const now = try std.time.Instant.now();
const delta_time: f32 = @as(f32, @floatFromInt(now.since(renderer.previous_time))) / @as(f32, 1_000_000_000.0);
renderer.previous_time = now;
const view_memory = renderer.graphics_pipeline.view_memory;
@memcpy(view_memory[0..@sizeOf(math.Matrix)], std.mem.asBytes(&camera.getView()));
@ -96,8 +102,10 @@ pub fn render(pool: *ecs.Pool) anyerror!void {
view_pos[1] = camera.position[1];
view_pos[2] = camera.position[2];
renderer.transform.rotate(math.rad(10) * delta_time, .{0.0, 1.0, 0.0});
const transform_memory = renderer.graphics_pipeline.transform_memory;
@memcpy(transform_memory[0..@sizeOf(math.Transform)], std.mem.asBytes(&renderer.transform));
@memcpy(transform_memory[0..(@sizeOf(math.Transform)-@sizeOf(math.Quaternion))], std.mem.asBytes(&renderer.transform)[0..(@sizeOf(math.Transform)-@sizeOf(math.Quaternion))]);
try renderer.device.waitFence(renderer.current_frame);
const image = try renderer.swapchain.nextImage(renderer.device, renderer.current_frame);