From fcffa11c4016efbc26115c587d447a2ffcdf3e34 Mon Sep 17 00:00:00 2001
From: Robert Chisholm <robadob@robadob.org>
Date: Sat, 19 Oct 2024 17:39:39 +0100
Subject: [PATCH] Add support for an initial camera roll angle in visualiser

Closes #1238
---
 include/flamegpu/visualiser/ModelVis.h | 6 ++++++
 src/flamegpu/visualiser/ModelVis.cpp   | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/include/flamegpu/visualiser/ModelVis.h b/include/flamegpu/visualiser/ModelVis.h
index 0defaa479..86367ee26 100644
--- a/include/flamegpu/visualiser/ModelVis.h
+++ b/include/flamegpu/visualiser/ModelVis.h
@@ -196,6 +196,12 @@ class ModelVis {
      * @param z The z coordinate
      */
     void setInitialCameraTarget(const float &x, const float &y, const float &z);
+    /**
+     * Set the initial camera roll in radians
+     * This value defaults to 0
+     * @param roll The roll angle in radians
+     */
+    void setInitialCameraRoll(const float &roll);
     /**
      * The speed of camera movement, in units travelled per millisecond
      * This value defaults to (0.05, 5.0)
diff --git a/src/flamegpu/visualiser/ModelVis.cpp b/src/flamegpu/visualiser/ModelVis.cpp
index 99fe2fd8b..750e7c706 100644
--- a/src/flamegpu/visualiser/ModelVis.cpp
+++ b/src/flamegpu/visualiser/ModelVis.cpp
@@ -247,6 +247,10 @@ void ModelVis::setInitialCameraTarget(const float &x, const float &y, const floa
     data->modelCfg.cameraTarget[2] = z;
 }
 
+void ModelVis::setInitialCameraRoll(const float &roll) {
+    data->modelCfg.cameraRoll = roll;
+}
+
 void ModelVis::setCameraSpeed(const float &speed, const float &shiftMultiplier) {
     data->modelCfg.cameraSpeed[0] = speed;
     data->modelCfg.cameraSpeed[1] = shiftMultiplier;