From 9ac242c22d86f1a32afe90510b0e2365d01cc5f2 Mon Sep 17 00:00:00 2001
From: cflip <cflip@cflip.net>
Date: Wed, 22 Dec 2021 16:26:04 -0700
Subject: Use sequence parameters for step colours

Just a nice little visual effect.
---
 gui.cpp | 9 ++++++---
 gui.h   | 2 ++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/gui.cpp b/gui.cpp
index 5a8a231..5e1479d 100644
--- a/gui.cpp
+++ b/gui.cpp
@@ -22,6 +22,7 @@ bool Knob::InBounds(int x, int y)
 }
 
 GUI::GUI(Sequence& seq)
+	: m_sequence(seq)
 {
 	int i = 0;
 	for (auto& step : seq.steps) {
@@ -63,14 +64,14 @@ void GUI::OnMouseMove(int x, int y)
 void GUI::Repaint(SDL_Renderer* renderer, int currentStep)
 {
 	SDL_Rect rect = {
-		(640 - 8 * (32 + 8)) / 2,
-		(320 - 32) / 2,
+		40,
+		40,
 		32,
 		32
 	};
 
 	for (int i = 0; i < 8; i++) {
-		SDL_SetRenderDrawColor(renderer, 128, i * (255 / 8), 255, 255);
+		SDL_SetRenderDrawColor(renderer, m_sequence.steps[i].modDepth * 8, m_sequence.steps[i].modFreq * 2, m_sequence.steps[i].carrierFreq / 3, 255);
 
 		if (i == currentStep)
 			SDL_RenderFillRect(renderer, &rect);
@@ -80,6 +81,8 @@ void GUI::Repaint(SDL_Renderer* renderer, int currentStep)
 		rect.x += rect.w + 8;
 	}
 
+	SDL_SetRenderDrawColor(renderer, 127, 127, 255, 255);
+
 	for (Knob& knob : m_knobs) {
 		knob.Draw(renderer);
 	}
diff --git a/gui.h b/gui.h
index 9bd8545..b8b1f2b 100644
--- a/gui.h
+++ b/gui.h
@@ -30,6 +30,8 @@ public:
 	void Repaint(SDL_Renderer*, int currentStep);
 private:
 	std::vector<Knob> m_knobs;
+
+	Sequence& m_sequence;
 	Knob* m_activeKnob{ nullptr };
 	int m_dragStart{ 0 };
 };
\ No newline at end of file
-- 
cgit v1.2.3