Rectangular gradient for the background in AutumnTheme

1 files changed, 39 insertions, 0 deletions

diff --git a/themes/src/shapes_2d.cpp b/themes/src/shapes_2d.cpp
new file mode 100644
index 0000000..a85e0da
--- /dev/null
+++ b/themes/src/shapes_2d.cpp
@@ -0,0 +1,39 @@
+#include "shapes_2d.h"
+#include "Renderer2d.h"
+#include "mathlib.h"
+
+RectangularGradient::RectangularGradient(Renderer2d& renderer,
+                                         Vector4 top,
+                                         Vector4 bottom,
+                                         f32 width,
+                                         f32 height,
+                                         Vector2 position)
+    : renderer{renderer},
+      top{top},
+      bottom{bottom},
+      width{width},
+      height{height}
+{
+    Vertex2D vertices[6];
+    vertices[0].position = position;
+    vertices[0].color = bottom;
+    vertices[1].position = { position.x + width, position.y };
+    vertices[1].color = bottom;
+    vertices[2].position = { position.x, position.y + height };
+    vertices[2].color = top;
+    vertices[3] = vertices[2];
+    vertices[4] = vertices[1];
+    vertices[5].position = { position.x + width, position.y + height };
+    vertices[5].color = top;
+    mesh.load(vertices, 6, &renderer);
+}
+
+RectangularGradient::~RectangularGradient()
+{
+    mesh.unload();
+}
+
+void RectangularGradient::render()
+{
+    mesh.render(&renderer);
+}