First commit

Lasers.cpp

@@ -0,0 +1,83 @@
+#include "Lasers.h"
+#include "api.h"
+
+#define MAX_LASERS 5
+struct Laser {
+	Point ini, fin;
+	float pos;
+	unsigned char r, g, b;
+};
+Laser lasers[MAX_LASERS];
+int randomLaserCounter = 60;
+
+Lasers::Lasers() {
+	randomLaserCounter = 60;
+	for (int i = 0; i < MAX_LASERS; i++) lasers[i].pos = -1.0f;
+	RegisterMessage("CreateNewLaser", this);
+}
+
+void GenerateNewLaser() {
+	randomLaserCounter = rand() % 60;
+	for (int i = 0; i < MAX_LASERS; i++) {
+		if (lasers[i].pos < 0.0f) {
+			if (rand() % 2 == 0) {
+				lasers[i].ini.x = 0;
+				lasers[i].ini.y = rand() % 270;
+				lasers[i].fin.x = 480;
+				lasers[i].fin.y = (rand() % 200) - 100;
+				lasers[i].pos = 0.0f;
+				lasers[i].r = 255; lasers[i].g = 0; lasers[i].b = 0;
+			}
+			else {
+				lasers[i].ini.x = 480;
+				lasers[i].ini.y = rand() % 270;
+				lasers[i].fin.x = -480;
+				lasers[i].fin.y = (rand() % 200) - 100;
+				lasers[i].pos = 0.0f;
+				lasers[i].r = 0; lasers[i].g = 255; lasers[i].b = 0;
+			}
+			return;
+		}
+	}
+}
+
+void Lasers::Update() {
+	randomLaserCounter--;
+	if (randomLaserCounter <= 0) GenerateNewLaser();
+	for (int i = 0; i < MAX_LASERS; i++) {
+		if (lasers[i].pos >= 0.0f) {
+			lasers[i].pos += 0.1f;
+			SetColor(lasers[i].r, lasers[i].g, lasers[i].b);
+			DrawLine(lasers[i].ini.x + lasers[i].fin.x*lasers[i].pos, lasers[i].ini.y + lasers[i].fin.y*lasers[i].pos, lasers[i].ini.x + lasers[i].fin.x*(lasers[i].pos + 0.2f), lasers[i].ini.y + lasers[i].fin.y*(lasers[i].pos + 0.2f));
+			DrawLine(lasers[i].ini.x + lasers[i].fin.x*lasers[i].pos, 0.5 + lasers[i].ini.y + lasers[i].fin.y*lasers[i].pos, lasers[i].ini.x + lasers[i].fin.x*(lasers[i].pos + 0.2f), 0.5 + lasers[i].ini.y + lasers[i].fin.y*(lasers[i].pos + 0.2f));
+			DrawLine(lasers[i].ini.x + lasers[i].fin.x*lasers[i].pos, 1 + lasers[i].ini.y + lasers[i].fin.y*lasers[i].pos, lasers[i].ini.x + lasers[i].fin.x*(lasers[i].pos + 0.2f), 1 + lasers[i].ini.y + lasers[i].fin.y*(lasers[i].pos + 0.2f));
+			if (lasers[i].pos >= 0.8f)
+				lasers[i].pos = -1.0f;
+		}
+	}
+}
+
+void CreateNewLaser(float x1, float y1, float x2, float y2, unsigned char r, unsigned char g, unsigned char b) {
+	for (int i = 0; i < MAX_LASERS; i++) {
+		if (lasers[i].pos < 0.0f) {
+			lasers[i].ini.x = x1;
+			lasers[i].ini.y = y1;
+			lasers[i].fin.x = x2 - x1;
+			lasers[i].fin.y = y2 - y1;
+			lasers[i].pos = 0.0f;
+			lasers[i].r = r; lasers[i].g = g; lasers[i].b = b;
+			return;
+		}
+	}
+}
+
+void Lasers::ProcessMessage(const char* msg) {
+	if (msg == "CreateNewLaser") {
+		int* params = GetMessageParams();
+		if (params[4] == 0) {
+			CreateNewLaser(params[0], params[1], params[2], params[3], 255, 0, 0);
+		} else {
+			CreateNewLaser(params[0], params[1], params[2], params[3], 0, 255, 0);
+		}
+	}
+}