From cc8bbef4bc8257b65757396e4431e2ca9b5f30ff Mon Sep 17 00:00:00 2001
From: mattkae <mattkae@protonmail.com>
Date: Sun, 9 Oct 2022 15:11:13 -0400
Subject: At least I have a working sun theme, but this will have to wait until
 next summer I suppose

---
 themes/SummerTheme.cpp | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 themes/SummerTheme.cpp

(limited to 'themes/SummerTheme.cpp')

diff --git a/themes/SummerTheme.cpp b/themes/SummerTheme.cpp
new file mode 100644
index 0000000..b23cc71
--- /dev/null
+++ b/themes/SummerTheme.cpp
@@ -0,0 +1,67 @@
+#include "SummerTheme.h"
+#include "Renderer2d.h"
+#include "list.h"
+#include "mathlib.h"
+#include <vector>
+
+void SummerTheme::load(Renderer2d* renderer) {
+	renderer->clearColor = Vector4(0, 181, 286, 255.f).toNormalizedColor();
+	sun.sectors = 180;
+	sun.radius = renderer->context->width / 4.f;
+	sun.load(renderer);
+}
+
+void SummerTheme::update(f32 dtSeconds) {
+	sun.update(dtSeconds);
+}
+
+void SummerTheme::render(Renderer2d* renderer) {
+	sun.render(renderer);
+}
+
+void SummerTheme::unload() {
+	sun.unload();
+}
+
+
+void Sun::load(Renderer2d* renderer) {
+	matte::List<Vertex2D> vertices;
+	matte::List<u32> indices;
+	Vector4 sunColor = Vector4(249, 215, 28, 255).toNormalizedColor();
+	vertices.add({ Vector2(0, 0), sunColor, Mat4x4() });
+
+    f32 radiansPerSector = (2.f * PI) / sectors;
+	for (i32 i = 0; i <= sectors; i++) {
+		f32 radians = radiansPerSector * i;
+		f32 cosAngle = cosf(radians);
+		f32 sinAngle = sinf(radians);
+		Vector2 vertex = Vector2(radius * cosAngle, radius * sinAngle);
+		vertices.add({ vertex, sunColor, Mat4x4() });
+
+		u32 first = i;
+		u32 second = 0;
+		u32 third = i + 1;
+		indices.add(first);
+		indices.add(second);
+		indices.add(third);
+	}
+	
+	mesh.load(&vertices.data[0], vertices.numElements, &indices.data[0], indices.numElements, renderer);
+	mesh.model = Mat4x4().translateByVec2(Vector2(renderer->context->width / 2.f, renderer->context->height / 2.f));
+	vertices.deallocate();
+}
+
+void Sun::update(f32 dtSeconds) {
+
+}
+
+void Sun::render(Renderer2d* renderer) {
+	setShaderMat4(renderer->uniforms.model, mesh.model);
+	glBindVertexArray(mesh.vao);
+    glDrawElements(GL_TRIANGLES, mesh.numIndices, GL_UNSIGNED_INT, 0);
+    glBindVertexArray(0);
+}
+
+void Sun::unload() {
+	mesh.unload();
+}
-- 
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