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wip(0.S3): packages and examples migrated again from their pre-0.S sources in one run

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ludic migrate state packages <every example program> packages/ludic.lab/example/plate.ludic
  1804 vars into 126 states, 64 into lets; 23498 edits in 460 files

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 15:31:34 +03:00
parent 5ffe50ed02
commit 19fcf60599
459 changed files with 17862 additions and 17603 deletions
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119
packages/ludic.render3d/camera.ludic
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@ -3,75 +3,58 @@
# projection matrices. Float bits throughout; see fmath.ludic.
# ============================================================================
var cam_pos: floats = null # x, y, z
var cam_yaw: float = 0.0 # radians, 0 = looking down -z
var cam_pitch: float = 0.0
var cam_fov: float = 0.0 # vertical, radians
var cam_near: float = 0.0
var cam_far: float = 0.0
var cam_aspect: float = 0.0
var cam_view: floats = null
var cam_proj: floats = null
var cam_vp: floats = null
var cam_inv_vp: floats = null
var cam_inv_proj: floats = null
var cam_vp_clean: floats = null # view-projection, kept for depth reconstruction
var cam_inv_vp_clean: floats = null
var cam_fwd: floats = null
var cam_right: floats = null
# the view frustum's four side planes (a, b, c, d), float bits: left, right, bottom, top;
# from the clean (unjittered) view-projection, column-major m[col * 4 + row]
var cam_planes: floats = null
function cam_init(aspect: float) -> void {
cam_pos = v3_new(0.0, 2.0, 0.0)
cam_view = m4_new(); cam_proj = m4_new(); cam_vp = m4_new(); cam_inv_vp = m4_new(); cam_inv_proj = m4_new()
cam_vp_clean = m4_new(); cam_inv_vp_clean = m4_new()
cam_fwd = v3_new(0.0, 0.0, -1.0)
cam_right = v3_new(1.0, 0.0, 0.0)
cam_fov = Math.deg_to_rad(42.0)
cam_near = 0.3
cam_far = 14000.0
cam_aspect = aspect
cam_update()
function cam_init(render3d_st: mut Render3dState, aspect: float) -> void {
render3d_st.cam_pos = v3_new(0.0, 2.0, 0.0)
render3d_st.cam_view = m4_new(); render3d_st.cam_proj = m4_new(); render3d_st.cam_vp = m4_new(); render3d_st.cam_inv_vp = m4_new(); render3d_st.cam_inv_proj = m4_new()
render3d_st.cam_vp_clean = m4_new(); render3d_st.cam_inv_vp_clean = m4_new()
render3d_st.cam_fwd = v3_new(0.0, 0.0, -1.0)
render3d_st.cam_right = v3_new(1.0, 0.0, 0.0)
render3d_st.cam_fov = Math.deg_to_rad(42.0)
render3d_st.cam_near = 0.3
render3d_st.cam_far = 14000.0
render3d_st.cam_aspect = aspect
cam_update(render3d_st)
}
function cam_begin_frame(n: int, w: int, h: int) -> void {
gsl_jitter_frame()
cam_update()
function cam_begin_frame(render3d_st: mut Render3dState, n: int, w: int, h: int) -> void {
gsl_jitter_frame(render3d_st)
cam_update(render3d_st)
}
function cam_set(x: float, y: float, z: float, yaw_deg: float, pitch_deg: float) -> void {
v3_set(cam_pos, x, y, z)
cam_yaw = Math.deg_to_rad(yaw_deg)
cam_pitch = Math.deg_to_rad(pitch_deg)
cam_update()
function cam_set(render3d_st: mut Render3dState, x: float, y: float, z: float, yaw_deg: float, pitch_deg: float) -> void {
v3_set(render3d_st.cam_pos, x, y, z)
render3d_st.cam_yaw = Math.deg_to_rad(yaw_deg)
render3d_st.cam_pitch = Math.deg_to_rad(pitch_deg)
cam_update(render3d_st)
}
function cam_update() -> void {
let cy = Math.cos(cam_yaw); let sy = Math.sin(cam_yaw)
let cp = Math.cos(cam_pitch); let sp = Math.sin(cam_pitch)
v3_set(cam_fwd, -(sy * cp), sp, -(cy * cp))
v3_set(cam_right, cy, 0.0, -sy)
function cam_update(render3d_st: mut Render3dState) -> void {
let cy = Math.cos(render3d_st.cam_yaw); let sy = Math.sin(render3d_st.cam_yaw)
let cp = Math.cos(render3d_st.cam_pitch); let sp = Math.sin(render3d_st.cam_pitch)
v3_set(render3d_st.cam_fwd, -(sy * cp), sp, -(cy * cp))
v3_set(render3d_st.cam_right, cy, 0.0, -sy)
let at = floats(3)
v3_add(at, cam_pos, cam_fwd)
v3_add(at, render3d_st.cam_pos, render3d_st.cam_fwd)
let up = v3_new(0.0, 1.0, 0.0)
m4_look_at(cam_view, cam_pos, at, up)
m4_perspective(cam_proj, cam_fov, cam_aspect, cam_near, cam_far)
m4_mul(cam_vp_clean, cam_proj, cam_view)
m4_inverse(cam_inv_vp_clean, cam_vp_clean)
m4_look_at(render3d_st.cam_view, render3d_st.cam_pos, at, up)
m4_perspective(render3d_st.cam_proj, render3d_st.cam_fov, render3d_st.cam_aspect, render3d_st.cam_near, render3d_st.cam_far)
m4_mul(render3d_st.cam_vp_clean, render3d_st.cam_proj, render3d_st.cam_view)
m4_inverse(render3d_st.cam_inv_vp_clean, render3d_st.cam_vp_clean)
# DLSS's sub-pixel jitter (streamline.ludic), in the projection the scene draws with only:
# culling, depth reconstruction and last frame's matrix keep the clean one
if gsl_jitter_x != 0.0 or gsl_jitter_y != 0.0 {
cam_proj[8] = cam_proj[8] - gsl_jitter_x
cam_proj[9] = cam_proj[9] - gsl_jitter_y
if render3d_st.gsl_jitter_x != 0.0 or render3d_st.gsl_jitter_y != 0.0 {
render3d_st.cam_proj[8] = render3d_st.cam_proj[8] - render3d_st.gsl_jitter_x
render3d_st.cam_proj[9] = render3d_st.cam_proj[9] - render3d_st.gsl_jitter_y
}
m4_mul(cam_vp, cam_proj, cam_view)
m4_inverse(cam_inv_vp, cam_vp)
m4_inverse(cam_inv_proj, cam_proj)
m4_mul(render3d_st.cam_vp, render3d_st.cam_proj, render3d_st.cam_view)
m4_inverse(render3d_st.cam_inv_vp, render3d_st.cam_vp)
m4_inverse(render3d_st.cam_inv_proj, render3d_st.cam_proj)
free(at); free(up)
cam_planes_update()
cam_planes_update(render3d_st)
}
function cam_planes_update() -> void {
if cam_planes == null { cam_planes = floats(16) }
let m = cam_vp_clean
function cam_planes_update(render3d_st: mut Render3dState) -> void {
if render3d_st.cam_planes == null { render3d_st.cam_planes = floats(16) }
let m = render3d_st.cam_vp_clean
for p in 0 .. 4 {
var r = 0
if p >= 2 { r = 1 }
@ -82,27 +65,27 @@ function cam_planes_update() -> void {
var c = m[11] + sg * m[8 + r]
var d = m[15] + sg * m[12 + r]
let inv = 1.0 / Math.sqrt(a * a + b * b + c * c)
cam_planes[p * 4] = a * inv; cam_planes[p * 4 + 1] = b * inv
cam_planes[p * 4 + 2] = c * inv; cam_planes[p * 4 + 3] = d * inv
render3d_st.cam_planes[p * 4] = a * inv; render3d_st.cam_planes[p * 4 + 1] = b * inv
render3d_st.cam_planes[p * 4 + 2] = c * inv; render3d_st.cam_planes[p * 4 + 3] = d * inv
}
}
# is a sphere (float bits) at least partly inside the side planes of the view?
function cam_sphere_visible(x: float, y: float, z: float, r: float) -> bool {
if cam_planes == null { return true }
function cam_sphere_visible(render3d_st: Render3dState, x: float, y: float, z: float, r: float) -> bool {
if render3d_st.cam_planes == null { return true }
let nr = -r
for p in 0 .. 4 {
let o = p * 4
let dist = cam_planes[o] * x + cam_planes[o + 1] * y + cam_planes[o + 2] * z + cam_planes[o + 3]
let dist = render3d_st.cam_planes[o] * x + render3d_st.cam_planes[o + 1] * y + render3d_st.cam_planes[o + 2] * z + render3d_st.cam_planes[o + 3]
if dist < nr { return false }
}
return true
}
# fly: forward/strafe in metres, turn in radians
function cam_move(fwd: float, strafe: float, up: float, dyaw: float, dpitch: float) -> void {
cam_yaw = cam_yaw + dyaw
cam_pitch = Math.clamp(cam_pitch + dpitch, -1.5, 1.5)
v3_madd(cam_pos, cam_pos, cam_fwd, fwd)
v3_madd(cam_pos, cam_pos, cam_right, strafe)
cam_pos[1] = cam_pos[1] + up
cam_update()
function cam_move(render3d_st: mut Render3dState, fwd: float, strafe: float, up: float, dyaw: float, dpitch: float) -> void {
render3d_st.cam_yaw = render3d_st.cam_yaw + dyaw
render3d_st.cam_pitch = Math.clamp(render3d_st.cam_pitch + dpitch, -1.5, 1.5)
v3_madd(render3d_st.cam_pos, render3d_st.cam_pos, render3d_st.cam_fwd, fwd)
v3_madd(render3d_st.cam_pos, render3d_st.cam_pos, render3d_st.cam_right, strafe)
render3d_st.cam_pos[1] = render3d_st.cam_pos[1] + up
cam_update(render3d_st)
}