vfx pipeline

1 files changed, 58 insertions, 0 deletions

diff --git a/src/vfx/mod.rs b/src/vfx/mod.rs
new file mode 100644
index 0000000..3a7d1a5
--- /dev/null
+++ b/src/vfx/mod.rs
@@ -0,0 +1,58 @@
+use glam::Vec2;
+
+use crate::content::vfx::VfxMaterialId;
+
+pub struct VfxLine {
+    pub a: Vec2,
+    pub b: Vec2,
+    pub width: f32,
+    pub material: VfxMaterialId,
+    pub alive_for: f32,
+    pub lifetime: f32,
+}
+
+impl VfxLine {
+    pub fn new(a: Vec2, b: Vec2, width: f32, material: VfxMaterialId, lifetime: f32) -> Self {
+        VfxLine {
+            a,
+            b,
+            width,
+            material,
+            alive_for: 0.0,
+            lifetime,
+        }
+    }
+}
+
+pub trait VfxWriter {
+    fn write_vfx_line(&mut self, line: VfxLine) -> ();
+}
+
+pub struct VfxManager {
+    pub lines: Vec<VfxLine>,
+}
+
+impl VfxManager {
+    pub fn after_render(&mut self, delta_time: f32) {
+        let mut i = 0;
+        while i < self.lines.len() {
+            let l = &mut self.lines[i];
+            l.alive_for += delta_time;
+            if l.alive_for > l.lifetime {
+                self.lines.swap_remove(i);
+                continue;
+            }
+            i += 1;
+        }
+    }
+
+    pub fn new() -> Self {
+        VfxManager { lines: Vec::new() }
+    }
+}
+
+impl VfxWriter for VfxManager {
+    fn write_vfx_line(&mut self, line: VfxLine) -> () {
+        self.lines.push(line);
+    }
+}