1 files changed, 55 insertions, 0 deletions
diff --git a/src/block.c b/src/block.c
new file mode 100644
index 0000000..e93ae6c
--- /dev/null
+++ b/src/block.c
@@ -0,0 +1,55 @@
+#include "cglm/types.h"
+#include "glad/glad.h"
+#include "block.h"
+#include "util.h"
+#include "cglm/cglm.h"
+#include "block.h"
+#include <string.h>
+
+
+int block_init(vec3 pos, struct block* blk) {
+    // Store buffer data into struct
+    // Initialize vbo and ebo for block
+    memcpy(blk->coords, pos, sizeof(vec3));
+    float vertices[] = {
+       0.5f,  0.5f,  0.0f, // top-right
+       -0.5f, 0.5f,  0.0f, // top-left
+       -0.5f, -0.5f,  0.0f, // bottom-left
+       0.5f, -0.5f,  0.0f, // bottom-right
+    };
+    float colors[] = {
+      1.0f, 0.0f,  0.0f, // r,g,b of first point.
+      0.0f, 1.0f,  0.0f, // r,g,b of second point.
+      0.0f, 0.0f,  1.0f,  // r,g,b of third point.
+      1.0f, 1.0f,  1.0f  // r,g,b of fourth point.
+    };
+    int vertex_order[] = { 1, 2, 3,  3, 0, 1 };
+
+    //TODO:
+    //1. Create VAO for mesh
+    //2. Create VBOs for vertices and colors
+    //3. Set EBO for index order
+    create_vbo(&blk->_vbo1, (void*)vertices, sizeof(float) * 12);
+    create_vbo(&blk->_vbo2, (void*)colors, sizeof(float) * 12);
+    create_ebo(&blk->_ebo, (void*)vertex_order, sizeof(int) * 6);
+    glGenVertexArrays(1, &blk->_vao);
+    glBindVertexArray(blk->_vao);
+    // Enable 2 attribs - position and color
+    glEnableVertexAttribArray(0);
+    glEnableVertexAttribArray(1);
+    // set vao_buffer to pos buffer obj
+    glBindBuffer(GL_ARRAY_BUFFER, blk->_vbo1);
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
+    // set vao_buffer to color buffer obj
+    glBindBuffer(GL_ARRAY_BUFFER, blk->_vbo2);
+    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, 0);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, blk->_ebo);
+    return 0;
+}
+
+// Register block vbos and ebos to context
+int block_draw(struct block* blk) {
+    glBindVertexArray(blk->_vao);
+    glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+    return 0;
+}