Add first person view.

firstperson.cpp

@@ -0,0 +1,39 @@
+#include "firstperson.h"
+#include <stdio.h>
+
+#include "maths.h"
+
+static sf::RenderTexture renderTexture;
+static sf::Vector2f renderTexturePosition;
+
+static bool init = false;
+static unsigned int width;
+static unsigned int height;
+
+int firstperson_init(unsigned int _width, unsigned int _height)
+{
+	printf("firstperson_init()\n");
+	if (!renderTexture.create(_width, _height)) return 0;
+	width = _width;
+	height = _height;
+	init = true;
+	return 1;
+}
+
+void firstperson_update(sf::RenderTarget* renderTarget)
+{
+	renderTexture.clear();
+	sf::CircleShape shape(50);
+	renderTexture.draw(shape);
+	renderTexture.display();
+
+	sf::Sprite sprite(renderTexture.getTexture());
+	sprite.setPosition(renderTexturePosition);
+	renderTarget->draw(sprite);
+}
+
+void firstperson_setTexturePosition(float x, float y)
+{
+	renderTexturePosition.x = x;
+	renderTexturePosition.y = y;
+}