init

projekt_win/include/Terrain.h

@@ -0,0 +1,50 @@
+// include/Terrain.h
+#ifndef TERRAIN_H
+#define TERRAIN_H
+
+#include <glm/glm.hpp>
+#include <vector>
+#include <GL/glew.h> // Include GLEW for OpenGL types like GLuint
+#include "Shader.h"
+class Terrain {
+public:
+    Terrain(int gridSize, float gridSpacing);
+    ~Terrain();
+
+    bool init(GLuint heightMapTextureID);
+    void cleanup();
+
+    glm::vec3 getVertex(int x, int z) const; // Get vertex position at grid index (x, z)
+    float sampleHeightWorld(float worldX, float worldZ) const;
+    float sampleGradientMagnitudeWorld(float worldX, float worldZ) const;
+    float sampleDirectionalGradientWorld(float worldX, float worldZ, const glm::vec2& directionWorld) const;
+    bool isInsideBoundsWorld(float worldX, float worldZ) const;
+
+    int getGridSize() const { return gridSize; }
+    float getGridSpacing() const { return gridSpacing; }
+    GLuint getVAO() const { return vaoID; }
+    GLuint getIndexCount() const { return indexCount; }
+    glm::vec3 getNormal(int x, int z) const;
+    glm::vec3 getHighestPoint() const { return highestPoint; }
+    std::vector<glm::vec3> getHighestPeaks(int count, float minDistanceWorld) const;
+private:
+    int gridSize;
+    float gridSpacing;
+    std::vector<glm::vec3> vertices;
+    std::vector<glm::vec3> normals;
+    std::vector<glm::vec2> texCoords;
+    GLuint vertexBufferID;
+    GLuint normalBufferID;
+    GLuint texCoordBufferID;
+    GLuint indexBufferID;
+    GLuint vaoID;
+    unsigned int indexCount;
+    glm::vec3 highestPoint;
+
+
+    void generateGrid(GLuint heightMapTextureID); // Generate the initial grid of vertices
+    void createBuffers(); // Create and populate VBOs and IBO
+    void updateBuffers();   // Update VBO data (not needed for static terrain in this example, but good to have)
+};
+
+#endif // TERRAIN_H