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From zx
ZX rendering techniques and patterns. Covers camera systems (follow, orbit), stencil buffer effects (portals, masks), billboard particles, custom fonts, and render pass management. Use when implementing cameras, visual effects, particle systems, or choosing between 2D and 3D rendering approaches.
npx claudepluginhub nethercore-systems/nethercore-ai-plugins --plugin zxHow this skill is triggered — by the user, by Claude, or both
Slash command
/zx:renderingThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
All camera state in static variables for rollback safety.
3D graphics, shaders, VFX, lighting, rendering optimization. Create stunning visuals with production-ready techniques.
Renders high-performance 2D graphics, particle effects, sprite animations, and interactive canvases using PixiJS with WebGL/WebGPU acceleration for games and UI overlays.
Explains PixiJS v8 rendering: the systems-and-pipes renderer, render loop, and environment adaptation. Activates on terms like renderer, WebGL, WebGPU, Canvas, autoDetectRenderer.
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All camera state in static variables for rollback safety.
| Function | Purpose |
|---|---|
camera_set(x,y,z, tx,ty,tz) | Position + look-at |
camera_fov(degrees) | Field of view (default 60) |
static mut CAM_X: f32 = 0.0;
static mut CAM_Y: f32 = 5.0;
static mut CAM_Z: f32 = 10.0;
fn update_follow_camera(tx: f32, ty: f32, tz: f32) {
let dt = delta_time();
let t = (5.0 * dt).min(1.0);
unsafe {
CAM_X += (tx - CAM_X) * t;
CAM_Y += (ty + 5.0 - CAM_Y) * t;
CAM_Z += (tz + 10.0 - CAM_Z) * t;
}
}
Create portals, scopes, masks using render passes.
| Function | Purpose |
|---|---|
begin_pass(clear_depth) | New pass |
begin_pass_stencil_write(ref, clear) | Create mask |
begin_pass_stencil_test(ref, clear) | Render in mask |
// 1. Create mask
begin_pass_stencil_write(1, 0);
draw_circle(SCREEN_CX, SCREEN_CY, 200.0);
// 2. Render inside mask
begin_pass_stencil_test(1, 0);
draw_scene();
// 3. Return to normal
begin_pass(0);
| Function | Mode | Use |
|---|---|---|
draw_billboard(w, h, 1, color) | Spherical | Particles |
draw_billboard(w, h, 2, color) | Cylindrical | Trees |
#[derive(Copy, Clone, Default)]
struct Particle { x: f32, y: f32, z: f32, vx: f32, vy: f32, vz: f32, life: f32 }
static mut PARTICLES: [Particle; 256] = [...];
fn render_particles(tex: u32) {
texture_bind(tex);
for p in unsafe { PARTICLES.iter() } {
if p.life > 0.0 {
push_translate(p.x, p.y, p.z);
draw_billboard(1.0, 1.0, 1, 0xFFFFFFFF);
push_identity();
}
}
}
let tex = rom_texture_str("pixel_font");
let font = load_font(tex, 8, 12, 32, 96); // 8x12 glyphs
// In render:
font_bind(font);
draw_text_str("SCORE", 10.0, 10.0, 24.0, 0xFFFFFFFF);
font_bind(0); // Back to default
Y-up, right-handed, -Z forward. When yaw=0, camera looks toward -Z.