From b17c518155fae64083eb5b56b78b9eec57603ac0 Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <mattkae@protonmail.com>
Date: Sat, 27 Mar 2021 21:12:42 -0400
Subject: Drawing pretty line segments in easter colors

---
 frontend/2d/_collisions/pill_line/dist/output.wasm | Bin 37565 -> 40465 bytes
 frontend/2d/_collisions/pill_line/main.cpp         |  43 ++++++++++++++++++++-
 2 files changed, 42 insertions(+), 1 deletion(-)

(limited to 'frontend/2d')

diff --git a/frontend/2d/_collisions/pill_line/dist/output.wasm b/frontend/2d/_collisions/pill_line/dist/output.wasm
index 92ee1f2..e282f2c 100755
Binary files a/frontend/2d/_collisions/pill_line/dist/output.wasm and b/frontend/2d/_collisions/pill_line/dist/output.wasm differ
diff --git a/frontend/2d/_collisions/pill_line/main.cpp b/frontend/2d/_collisions/pill_line/main.cpp
index df20fa0..4187435 100644
--- a/frontend/2d/_collisions/pill_line/main.cpp
+++ b/frontend/2d/_collisions/pill_line/main.cpp
@@ -9,6 +9,8 @@
 #include <pthread.h>
 #include <cmath>
 
+// Side note: It is Eastertime, so I chose this easter color palette. Enjoy: https://htmlcolors.com/palette/144/easter
+
 //
 // Pill object 
 //
@@ -52,6 +54,11 @@ struct Pill {
 		}
 
 		shape.load(vertices, numVertices, renderer);
+		delete[] vertices;
+	}
+
+	void render(OrthographicRenderer* renderer) {
+		shape.render(renderer);
 	}
 
 	void unload() {
@@ -63,6 +70,25 @@ struct Pill {
 	}
 };
 
+struct LineSegment {
+	OrthographicShape shape;
+	Vector2 start;
+	Vector2 end;
+	OrthographicVertex vertices[2];
+
+	void load(OrthographicRenderer* renderer, Vector4 color, Vector2 start, Vector2 end) {
+		vertices[0].position = start;
+		vertices[0].color = color;
+		vertices[1].position = end;
+		vertices[1].color = color;
+		shape.load(vertices, 2, renderer);
+	}
+
+	void render(OrthographicRenderer* renderer) {
+		shape.render(renderer, GL_LINES);
+	}
+};
+
 EM_BOOL onPlayClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
 EM_BOOL onStopClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, void* userData);
 EM_BOOL update(float time, void* userData);
@@ -72,6 +98,7 @@ WebglContext context;
 OrthographicRenderer renderer;
 Pill pill;
 MainLoop mainLoop;
+LineSegment segmentList[4];
 
 int main() {
 	context.init("#gl_canvas");
@@ -83,6 +110,11 @@ int main() {
 EM_BOOL update(float deltaTimeSeconds, void* userData) {
 	renderer.render();
 	pill.shape.render(&renderer);
+
+	for (int segmentIndex = 0; segmentIndex < 4; segmentIndex++) {
+		segmentList[segmentIndex].render(&renderer);
+	}
+
 	return true;
 }
 
@@ -93,10 +125,19 @@ EM_BOOL onPlayClicked(int eventType, const EmscriptenMouseEvent* mouseEvent, voi
 	printf("Play clicked\n");
 	
 	renderer.load(&context);
+
+	// Add the pill
 	pill.width = 100.f;
 	pill.height = 50.f;
-	pill.shape.model = pill.shape.model.translateByVec2(Vector2 { context.width / 2.f, context.height / 2.f });
+	pill.shape.model = Mat4x4().translateByVec2(Vector2 { context.width / 2.f, context.height / 2.f });
 	pill.load(&renderer, 64);
+
+	// Add the lines
+	segmentList[0].load(&renderer, Vector4().fromColor(191, 251, 146, 255.f), Vector2 { 50.f, 0.f }, Vector2 { 50.f, static_cast<float>(context.height) });
+	segmentList[1].load(&renderer, Vector4().fromColor(159, 224, 210, 255.f), Vector2 { context.width - 50.f, 0.f }, Vector2 { context.width - 50.f, static_cast<float>(context.height) });
+	segmentList[2].load(&renderer, Vector4().fromColor(248, 255, 156, 255.f), Vector2 { 50.f, 50.f }, Vector2 { context.width - 50.f, 150.f });
+	segmentList[3].load(&renderer, Vector4().fromColor(205, 178, 214, 255.f), Vector2 { 50.f, 150.f }, Vector2 { context.width - 50.f, 50.f });
+
 	mainLoop.run(update);
 	return true;
 }
-- 
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