diff --git a/crates/processing_pyo3/src/graphics.rs b/crates/processing_pyo3/src/graphics.rs
index bac0137..cafd305 100644
--- a/crates/processing_pyo3/src/graphics.rs
+++ b/crates/processing_pyo3/src/graphics.rs
@@ -1181,22 +1181,22 @@ impl Graphics {
 
     #[getter]
     fn mouse_x(&self) -> PyResult<f32> {
-        input::mouse_x(self.surface.entity)
+        input::mouse_x(self.surface.entity, self.width)
     }
 
     #[getter]
     fn mouse_y(&self) -> PyResult<f32> {
-        input::mouse_y(self.surface.entity)
+        input::mouse_y(self.surface.entity, self.height)
     }
 
     #[getter]
     fn pmouse_x(&self) -> PyResult<f32> {
-        input::pmouse_x(self.surface.entity)
+        input::pmouse_x(self.surface.entity, self.width)
     }
 
     #[getter]
     fn pmouse_y(&self) -> PyResult<f32> {
-        input::pmouse_y(self.surface.entity)
+        input::pmouse_y(self.surface.entity, self.height)
     }
 
     #[getter]
diff --git a/crates/processing_pyo3/src/input.rs b/crates/processing_pyo3/src/input.rs
index 5096d5c..de40a2e 100644
--- a/crates/processing_pyo3/src/input.rs
+++ b/crates/processing_pyo3/src/input.rs
@@ -5,22 +5,28 @@ use pyo3::{
     prelude::*,
 };
 
-pub fn mouse_x(surface: Entity) -> PyResult<f32> {
-    processing::prelude::input_mouse_x(surface).map_err(|e| PyRuntimeError::new_err(format!("{e}")))
+pub fn mouse_x(surface: Entity, width: u32) -> PyResult<f32> {
+    let raw = processing::prelude::input_mouse_x(surface)
+        .map_err(|e| PyRuntimeError::new_err(format!("{e}")))?;
+    Ok(raw.clamp(0.0, width as f32))
 }
 
-pub fn mouse_y(surface: Entity) -> PyResult<f32> {
-    processing::prelude::input_mouse_y(surface).map_err(|e| PyRuntimeError::new_err(format!("{e}")))
+pub fn mouse_y(surface: Entity, height: u32) -> PyResult<f32> {
+    let raw = processing::prelude::input_mouse_y(surface)
+        .map_err(|e| PyRuntimeError::new_err(format!("{e}")))?;
+    Ok(raw.clamp(0.0, height as f32))
 }
 
-pub fn pmouse_x(surface: Entity) -> PyResult<f32> {
-    processing::prelude::input_pmouse_x(surface)
-        .map_err(|e| PyRuntimeError::new_err(format!("{e}")))
+pub fn pmouse_x(surface: Entity, width: u32) -> PyResult<f32> {
+    let raw = processing::prelude::input_pmouse_x(surface)
+        .map_err(|e| PyRuntimeError::new_err(format!("{e}")))?;
+    Ok(raw.clamp(0.0, width as f32))
 }
 
-pub fn pmouse_y(surface: Entity) -> PyResult<f32> {
-    processing::prelude::input_pmouse_y(surface)
-        .map_err(|e| PyRuntimeError::new_err(format!("{e}")))
+pub fn pmouse_y(surface: Entity, height: u32) -> PyResult<f32> {
+    let raw = processing::prelude::input_pmouse_y(surface)
+        .map_err(|e| PyRuntimeError::new_err(format!("{e}")))?;
+    Ok(raw.clamp(0.0, height as f32))
 }
 
 pub fn mouse_is_pressed() -> PyResult<bool> {
@@ -80,12 +86,17 @@ pub fn key_code() -> PyResult<Option<u32>> {
         .map_err(|e| PyRuntimeError::new_err(format!("{e}")))
 }
 
-pub fn sync_globals(globals: &Bound<'_, PyAny>, surface: Entity) -> PyResult<()> {
+pub fn sync_globals(
+    globals: &Bound<'_, PyAny>,
+    surface: Entity,
+    canvas_width: u32,
+    canvas_height: u32,
+) -> PyResult<()> {
     use crate::set_tracked;
-    set_tracked(globals, "mouse_x", mouse_x(surface)?)?;
-    set_tracked(globals, "mouse_y", mouse_y(surface)?)?;
-    set_tracked(globals, "pmouse_x", pmouse_x(surface)?)?;
-    set_tracked(globals, "pmouse_y", pmouse_y(surface)?)?;
+    set_tracked(globals, "mouse_x", mouse_x(surface, canvas_width)?)?;
+    set_tracked(globals, "mouse_y", mouse_y(surface, canvas_height)?)?;
+    set_tracked(globals, "pmouse_x", pmouse_x(surface, canvas_width)?)?;
+    set_tracked(globals, "pmouse_y", pmouse_y(surface, canvas_height)?)?;
     set_tracked(globals, "mouse_is_pressed", mouse_is_pressed()?)?;
     set_tracked(globals, "mouse_button", mouse_button()?)?;
     set_tracked(globals, "moved_x", moved_x()?)?;
diff --git a/crates/processing_pyo3/src/lib.rs b/crates/processing_pyo3/src/lib.rs
index af5324e..a248054 100644
--- a/crates/processing_pyo3/src/lib.rs
+++ b/crates/processing_pyo3/src/lib.rs
@@ -116,7 +116,12 @@ pub(crate) fn reset_tracked_globals() {
 fn sync_globals(module: &Bound<'_, PyModule>, globals: &Bound<'_, PyAny>) -> PyResult<()> {
     let graphics =
         get_graphics(module)?.ok_or_else(|| PyRuntimeError::new_err("call size() first"))?;
-    input::sync_globals(globals, graphics.surface.entity)?;
+    input::sync_globals(
+        globals,
+        graphics.surface.entity,
+        graphics.width,
+        graphics.height,
+    )?;
     surface::sync_globals(globals, &graphics.surface, graphics.width, graphics.height)?;
     time::sync_globals(globals)?;
     Ok(())
@@ -1620,7 +1625,7 @@ mod mewnala {
     fn mouse_x(module: &Bound<'_, PyModule>) -> PyResult<f32> {
         let graphics =
             get_graphics(module)?.ok_or_else(|| PyRuntimeError::new_err("call size() first"))?;
-        input::mouse_x(graphics.surface.entity)
+        input::mouse_x(graphics.surface.entity, graphics.width)
     }
 
     #[pyfunction]
@@ -1628,7 +1633,7 @@ mod mewnala {
     fn mouse_y(module: &Bound<'_, PyModule>) -> PyResult<f32> {
         let graphics =
             get_graphics(module)?.ok_or_else(|| PyRuntimeError::new_err("call size() first"))?;
-        input::mouse_y(graphics.surface.entity)
+        input::mouse_y(graphics.surface.entity, graphics.height)
     }
 
     #[pyfunction]
@@ -1636,7 +1641,7 @@ mod mewnala {
     fn pmouse_x(module: &Bound<'_, PyModule>) -> PyResult<f32> {
         let graphics =
             get_graphics(module)?.ok_or_else(|| PyRuntimeError::new_err("call size() first"))?;
-        input::pmouse_x(graphics.surface.entity)
+        input::pmouse_x(graphics.surface.entity, graphics.width)
     }
 
     #[pyfunction]
@@ -1644,7 +1649,7 @@ mod mewnala {
     fn pmouse_y(module: &Bound<'_, PyModule>) -> PyResult<f32> {
         let graphics =
             get_graphics(module)?.ok_or_else(|| PyRuntimeError::new_err("call size() first"))?;
-        input::pmouse_y(graphics.surface.entity)
+        input::pmouse_y(graphics.surface.entity, graphics.height)
     }
 
     #[pyfunction]