From a8fd8a74ec114fbde563bca62180a160c3cb8a88 Mon Sep 17 00:00:00 2001
From: Grant Shangreaux <grant@unabridgedsoftware.com>
Date: Mon, 1 Nov 2021 20:00:34 -0500
Subject: Add: mouse control of frequency based on x coord mouse position

---
 klangfarb/main.gd      | 8 ++++++++
 klangfarbrs/src/lib.rs | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/klangfarb/main.gd b/klangfarb/main.gd
index 9735c5f..cf3d8c1 100644
--- a/klangfarb/main.gd
+++ b/klangfarb/main.gd
@@ -48,3 +48,11 @@ func _ready() -> void:
 	# prefill the stream's sample buffer (which feeds DAC)
 	_check_waveform()
 	_fill_buffer()
+
+func _input(event):
+	# Mouse in viewport coordinates.
+	if event is InputEventMouseButton:
+		print("Mouse Click/Unclick at: ", event.position)
+	elif event is InputEventMouseMotion:
+		freq = event.position.x
+		print("Mouse Motion at: ", event.position)
diff --git a/klangfarbrs/src/lib.rs b/klangfarbrs/src/lib.rs
index 059d59f..8fb773d 100644
--- a/klangfarbrs/src/lib.rs
+++ b/klangfarbrs/src/lib.rs
@@ -39,6 +39,7 @@ fn generate_sample(osc: &Osc) -> f32 {
         Waveform::Sine => {
             (TAU * phase).sin()
         },
+
         Waveform::Square => {
             if phase < 0.5 {
                 -1.0
@@ -46,6 +47,7 @@ fn generate_sample(osc: &Osc) -> f32 {
                 1.0
             }
         },
+
         Waveform::Triangle => {
             if phase < 0.5 {
                 4.0 * phase - 1.0
@@ -53,6 +55,7 @@ fn generate_sample(osc: &Osc) -> f32 {
                 4.0 * (1.0 - phase) - 1.0
             }
         },
+
         Waveform::Sawtooth => {
             2.0 * phase - 1.0
         }
-- 
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