init

innit

Source/OpenGLUtils.cpp

@@ -0,0 +1,43 @@
+/*
+  ==============================================================================
+
+    OpenGLUtils.cpp
+    Created: 17 Jan 2026 11:41:12am
+    Author:  esca
+
+  ==============================================================================
+*/
+
+#include "OpenGLUtils.h"
+#include <cstring>
+#include <vector>
+#include <math.h>
+
+void svCol(Vertex &v, float newColour[4]){
+  memcpy(&v.colour, &newColour, 4*sizeof(float));
+}
+
+void setColour(std::vector<Vertex> &verticeList, float newColour[4]){
+    for(Vertex v : verticeList){
+        svCol(v, newColour);
+    }
+}
+
+void vTransform(std::vector<Vertex> &verticeList, int transform[2]){
+    for(Vertex &v : verticeList){
+        v.position[0] = transform[0];
+        v.position[1] = transform[1];
+    }
+}
+
+std::vector<Vertex> generateSineWave(int numVertices, float angle, float startingColour[4]){
+    //generates one cycle of a sine wave with vertices numVertices and starting at angle angle
+
+    std::vector<Vertex> ret(numVertices, Vertex{});
+    for (int i = 0; i<numVertices; i++){
+        ret[i].position[0] = (float)i*1/numVertices;
+        ret[i].position[1] = sin(angle+i*(2*M_PI/numVertices));
+        svCol(ret[i], startingColour);
+    }
+    return ret;
+}