First commit

StarField.cpp

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+#include "StarField.h"
+#include "api.h"
+
+Point starField[3][24];
+float speed = 1;
+
+StarField::StarField() {
+	speed = 1;
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 24; j++) {
+			starField[i][j].x = rand() % 480;
+			starField[i][j].y = rand() % 270;
+		}
+	}
+	RegisterMessage("SetStarFieldVelocity", this);
+}
+
+void StarField::Update() {
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 24; j++) {
+			starField[i][j].x -= (speed + i*speed);
+			if (starField[i][j].x < 0) {
+				starField[i][j].x = 480;
+				starField[i][j].y = rand() % 270;
+			}
+		}
+	}
+	SetColor(32, 32, 32);
+	for (int j = 0; j < 24; j++) DrawPoint(starField[0][j].x, starField[0][j].y);
+	SetColor(96, 96, 96);
+	for (int j = 0; j < 24; j++) DrawPoint(starField[1][j].x, starField[1][j].y);
+	SetColor(192, 192, 192);
+	for (int j = 0; j < 24; j++) DrawPoint(starField[2][j].x, starField[2][j].y);
+}
+
+void StarField::ProcessMessage(const char* msg) {
+	if (msg == "SetStarFieldVelocity") {
+		int* params = GetMessageParams();
+		speed = params[0] * 0.01f;
+	}
+}