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authorbonmas14 <bonmas14@gmail.com>2025-09-20 22:28:15 +0300
committerbonmas14 <bonmas14@gmail.com>2025-09-20 22:28:15 +0300
commitcdda4c4182c9ee068567529715e4a5c68a8efb58 (patch)
tree38a63f62a64018a2d35fc33354f8589fd33b7514 /deps/raylib/examples/models/models_draw_cube_texture.c
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+/*******************************************************************************************
+*
+* raylib [models] example - Draw textured cube
+*
+* Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+* BSD-like license that allows static linking with closed source software
+*
+* Copyright (c) 2022-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "rlgl.h" // Required to define vertex data (immediate-mode style)
+
+//------------------------------------------------------------------------------------
+// Custom Functions Declaration
+//------------------------------------------------------------------------------------
+void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color); // Draw cube textured
+void DrawCubeTextureRec(Texture2D texture, Rectangle source, Vector3 position, float width, float height, float length, Color color); // Draw cube with a region of a texture
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+ // Initialization
+ //--------------------------------------------------------------------------------------
+ const int screenWidth = 800;
+ const int screenHeight = 450;
+
+ InitWindow(screenWidth, screenHeight, "raylib [models] example - draw cube texture");
+
+ // Define the camera to look into our 3d world
+ Camera camera = { 0 };
+ camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };
+ camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+ camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+ camera.fovy = 45.0f;
+ camera.projection = CAMERA_PERSPECTIVE;
+
+ // Load texture to be applied to the cubes sides
+ Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");
+
+ SetTargetFPS(60); // Set our game to run at 60 frames-per-second
+ //--------------------------------------------------------------------------------------
+
+ // Main game loop
+ while (!WindowShouldClose()) // Detect window close button or ESC key
+ {
+ // Update
+ //----------------------------------------------------------------------------------
+ // TODO: Update your variables here
+ //----------------------------------------------------------------------------------
+
+ // Draw
+ //----------------------------------------------------------------------------------
+ BeginDrawing();
+
+ ClearBackground(RAYWHITE);
+
+ BeginMode3D(camera);
+
+ // Draw cube with an applied texture
+ DrawCubeTexture(texture, (Vector3){ -2.0f, 2.0f, 0.0f }, 2.0f, 4.0f, 2.0f, WHITE);
+
+ // Draw cube with an applied texture, but only a defined rectangle piece of the texture
+ DrawCubeTextureRec(texture, (Rectangle){ 0.0f, texture.height/2.0f, texture.width/2.0f, texture.height/2.0f },
+ (Vector3){ 2.0f, 1.0f, 0.0f }, 2.0f, 2.0f, 2.0f, WHITE);
+
+ DrawGrid(10, 1.0f); // Draw a grid
+
+ EndMode3D();
+
+ DrawFPS(10, 10);
+
+ EndDrawing();
+ //----------------------------------------------------------------------------------
+ }
+
+ // De-Initialization
+ //--------------------------------------------------------------------------------------
+ UnloadTexture(texture); // Unload texture
+
+ CloseWindow(); // Close window and OpenGL context
+ //--------------------------------------------------------------------------------------
+
+ return 0;
+}
+
+//------------------------------------------------------------------------------------
+// Custom Functions Definition
+//------------------------------------------------------------------------------------
+// Draw cube textured
+// NOTE: Cube position is the center position
+void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color)
+{
+ float x = position.x;
+ float y = position.y;
+ float z = position.z;
+
+ // Set desired texture to be enabled while drawing following vertex data
+ rlSetTexture(texture.id);
+
+ // Vertex data transformation can be defined with the commented lines,
+ // but in this example we calculate the transformed vertex data directly when calling rlVertex3f()
+ //rlPushMatrix();
+ // NOTE: Transformation is applied in inverse order (scale -> rotate -> translate)
+ //rlTranslatef(2.0f, 0.0f, 0.0f);
+ //rlRotatef(45, 0, 1, 0);
+ //rlScalef(2.0f, 2.0f, 2.0f);
+
+ rlBegin(RL_QUADS);
+ rlColor4ub(color.r, color.g, color.b, color.a);
+ // Front Face
+ rlNormal3f(0.0f, 0.0f, 1.0f); // Normal Pointing Towards Viewer
+ rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2); // Bottom Left Of The Texture and Quad
+ rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Right Of The Texture and Quad
+ rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z + length/2); // Top Right Of The Texture and Quad
+ rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z + length/2); // Top Left Of The Texture and Quad
+ // Back Face
+ rlNormal3f(0.0f, 0.0f, - 1.0f); // Normal Pointing Away From Viewer
+ rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z - length/2); // Bottom Right Of The Texture and Quad
+ rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Right Of The Texture and Quad
+ rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2); // Top Left Of The Texture and Quad
+ rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z - length/2); // Bottom Left Of The Texture and Quad
+ // Top Face
+ rlNormal3f(0.0f, 1.0f, 0.0f); // Normal Pointing Up
+ rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Left Of The Texture and Quad
+ rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y + height/2, z + length/2); // Bottom Left Of The Texture and Quad
+ rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y + height/2, z + length/2); // Bottom Right Of The Texture and Quad
+ rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2); // Top Right Of The Texture and Quad
+ // Bottom Face
+ rlNormal3f(0.0f, - 1.0f, 0.0f); // Normal Pointing Down
+ rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y - height/2, z - length/2); // Top Right Of The Texture and Quad
+ rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y - height/2, z - length/2); // Top Left Of The Texture and Quad
+ rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Left Of The Texture and Quad
+ rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2); // Bottom Right Of The Texture and Quad
+ // Right face
+ rlNormal3f(1.0f, 0.0f, 0.0f); // Normal Pointing Right
+ rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z - length/2); // Bottom Right Of The Texture and Quad
+ rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2); // Top Right Of The Texture and Quad
+ rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z + length/2); // Top Left Of The Texture and Quad
+ rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2); // Bottom Left Of The Texture and Quad
+ // Left Face
+ rlNormal3f( - 1.0f, 0.0f, 0.0f); // Normal Pointing Left
+ rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z - length/2); // Bottom Left Of The Texture and Quad
+ rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2); // Bottom Right Of The Texture and Quad
+ rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z + length/2); // Top Right Of The Texture and Quad
+ rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2); // Top Left Of The Texture and Quad
+ rlEnd();
+ //rlPopMatrix();
+
+ rlSetTexture(0);
+}
+
+// Draw cube with texture piece applied to all faces
+void DrawCubeTextureRec(Texture2D texture, Rectangle source, Vector3 position, float width, float height, float length, Color color)
+{
+ float x = position.x;
+ float y = position.y;
+ float z = position.z;
+ float texWidth = (float)texture.width;
+ float texHeight = (float)texture.height;
+
+ // Set desired texture to be enabled while drawing following vertex data
+ rlSetTexture(texture.id);
+
+ // We calculate the normalized texture coordinates for the desired texture-source-rectangle
+ // It means converting from (tex.width, tex.height) coordinates to [0.0f, 1.0f] equivalent
+ rlBegin(RL_QUADS);
+ rlColor4ub(color.r, color.g, color.b, color.a);
+
+ // Front face
+ rlNormal3f(0.0f, 0.0f, 1.0f);
+ rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x - width/2, y - height/2, z + length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x + width/2, y - height/2, z + length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+ rlVertex3f(x + width/2, y + height/2, z + length/2);
+ rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+ rlVertex3f(x - width/2, y + height/2, z + length/2);
+
+ // Back face
+ rlNormal3f(0.0f, 0.0f, - 1.0f);
+ rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x - width/2, y - height/2, z - length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+ rlVertex3f(x - width/2, y + height/2, z - length/2);
+ rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+ rlVertex3f(x + width/2, y + height/2, z - length/2);
+ rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x + width/2, y - height/2, z - length/2);
+
+ // Top face
+ rlNormal3f(0.0f, 1.0f, 0.0f);
+ rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+ rlVertex3f(x - width/2, y + height/2, z - length/2);
+ rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x - width/2, y + height/2, z + length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x + width/2, y + height/2, z + length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+ rlVertex3f(x + width/2, y + height/2, z - length/2);
+
+ // Bottom face
+ rlNormal3f(0.0f, - 1.0f, 0.0f);
+ rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+ rlVertex3f(x - width/2, y - height/2, z - length/2);
+ rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+ rlVertex3f(x + width/2, y - height/2, z - length/2);
+ rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x + width/2, y - height/2, z + length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x - width/2, y - height/2, z + length/2);
+
+ // Right face
+ rlNormal3f(1.0f, 0.0f, 0.0f);
+ rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x + width/2, y - height/2, z - length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+ rlVertex3f(x + width/2, y + height/2, z - length/2);
+ rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+ rlVertex3f(x + width/2, y + height/2, z + length/2);
+ rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x + width/2, y - height/2, z + length/2);
+
+ // Left face
+ rlNormal3f( - 1.0f, 0.0f, 0.0f);
+ rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x - width/2, y - height/2, z - length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+ rlVertex3f(x - width/2, y - height/2, z + length/2);
+ rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+ rlVertex3f(x - width/2, y + height/2, z + length/2);
+ rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+ rlVertex3f(x - width/2, y + height/2, z - length/2);
+
+ rlEnd();
+
+ rlSetTexture(0);
+} \ No newline at end of file