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3d Camera: Added support for field-of-view Y

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This commit is contained in:
raysan5 2016-03-05 13:05:45 +01:00
parent dcbf2a0e0c
commit d8bd8634ab
20 changed files with 53 additions and 46 deletions
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3
examples/core_3d_camera_first_person.c
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@ -23,7 +23,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera first person");
// Define the camera to look into our 3d world (position, target, up vector)
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 60.0f };
// Generates some random columns
float heights[MAX_COLUMNS];
@ -40,6 +40,7 @@ int main()
Vector3 playerPosition = { 4.0f, 2.0f, 4.0f }; // Define player position
SetCameraMode(CAMERA_FIRST_PERSON); // Set a first person camera mode
SetCameraFovy(camera.fovy); // Set internal camera field-of-view Y
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

2
examples/core_3d_camera_free.c
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@ -25,12 +25,14 @@ int main()
camera.position = (Vector3){ 0.0f, 10.0f, 10.0f }; // Camera position
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
camera.fovy = 45.0f; // Camera field-of-view Y
Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
SetCameraMode(CAMERA_FREE); // Set a free camera mode
SetCameraPosition(camera.position); // Set internal camera position to match our camera position
SetCameraTarget(camera.target); // Set internal camera target to match our camera target
SetCameraFovy(camera.fovy); // Set internal camera field-of-view Y
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

1
examples/core_3d_mode.c
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@ -25,6 +25,7 @@ int main()
camera.position = (Vector3){ 0.0f, 10.0f, 10.0f }; // Camera position
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
camera.fovy = 45.0f; // Camera field-of-view Y
Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };

2
examples/core_3d_picking.c
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@ -25,6 +25,7 @@ int main()
camera.position = (Vector3){ 0.0f, 10.0f, 10.0f }; // Camera position
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
camera.fovy = 45.0f; // Camera field-of-view Y
Vector3 cubePosition = { 0.0f, 1.0f, 0.0f };
Vector3 cubeSize = { 2.0f, 2.0f, 2.0f };
@ -35,6 +36,7 @@ int main()
SetCameraMode(CAMERA_FREE); // Set a free camera mode
SetCameraPosition(camera.position); // Set internal camera position to match our camera position
SetCameraFovy(camera.fovy); // Set internal camera field-of-view Y
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

3
examples/core_world_screen.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free");
// Define the camera to look into our 3d world
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
@ -30,6 +30,7 @@ int main()
SetCameraMode(CAMERA_FREE); // Set a free camera mode
SetCameraPosition(camera.position); // Set internal camera position to match our camera position
SetCameraTarget(camera.target); // Set internal camera target to match our camera target
SetCameraFovy(camera.fovy); // Set internal camera field-of-view Y
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

3
examples/models_billboard.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [models] example - drawing billboards");
// Define the camera to look into our 3d world
Camera camera = {{ 5.0f, 4.0f, 5.0f }, { 0.0f, 2.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 5.0f, 4.0f, 5.0f }, { 0.0f, 2.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Texture2D bill = LoadTexture("resources/billboard.png"); // Our texture billboard
Vector3 billPosition = { 0.0f, 2.0f, 0.0f }; // Position where draw billboard
@ -29,6 +29,7 @@ int main()
SetCameraMode(CAMERA_ORBITAL); // Set an orbital camera mode
SetCameraPosition(camera.position); // Set internal camera position to match our camera position
SetCameraTarget(camera.target); // Set internal camera target to match our camera target
SetCameraFovy(camera.fovy); // Set internal camera field-of-view Y
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

2
examples/models_box_collisions.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [models] example - box collisions");
// Define the camera to look into our 3d world
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Vector3 playerPosition = { 0.0f, 1.0f, 2.0f };
Vector3 playerSize = { 1.0f, 2.0f, 1.0f };

3
examples/models_cubicmap.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [models] example - cubesmap loading and drawing");
// Define the camera to look into our 3d world
Camera camera = {{ 16.0f, 14.0f, 16.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 16.0f, 14.0f, 16.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Image image = LoadImage("resources/cubicmap.png"); // Load cubicmap image (RAM)
Texture2D cubicmap = LoadTextureFromImage(image); // Convert image to texture to display (VRAM)
@ -37,6 +37,7 @@ int main()
SetCameraMode(CAMERA_ORBITAL); // Set an orbital camera mode
SetCameraPosition(camera.position); // Set internal camera position to match our custom camera position
SetCameraFovy(camera.fovy); // Set internal camera field-of-view Y
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

2
examples/models_geometric_shapes.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [models] example - geometric shapes");
// Define the camera to look into our 3d world
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

2
examples/models_heightmap.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [models] example - heightmap loading and drawing");
// Define our custom camera to look into our 3d world
Camera camera = {{ 18.0f, 16.0f, 18.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 18.0f, 16.0f, 18.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Image image = LoadImage("resources/heightmap.png"); // Load heightmap image (RAM)
Texture2D texture = LoadTextureFromImage(image); // Convert image to texture (VRAM)

2
examples/models_obj_loading.c
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@ -21,7 +21,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [models] example - obj model loading");
// Define the camera to look into our 3d world
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Model dwarf = LoadModel("resources/model/dwarf.obj"); // Load OBJ model
Texture2D texture = LoadTexture("resources/model/dwarf_diffuse.png"); // Load model texture

2
examples/shaders_basic_lighting.c
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@ -36,7 +36,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [shaders] example - basic lighting");
// Camera initialization
Camera camera = {{ 8.0f, 8.0f, 8.0f }, { 0.0f, 3.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 8.0f, 8.0f, 8.0f }, { 0.0f, 3.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
// Model initialization
Vector3 position = { 0.0f, 0.0f, 0.0f };

2
examples/shaders_custom_uniform.c
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@ -30,7 +30,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [shaders] example - custom uniform variable");
// Define the camera to look into our 3d world
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Model dwarf = LoadModel("resources/model/dwarf.obj"); // Load OBJ model
Texture2D texture = LoadTexture("resources/model/dwarf_diffuse.png"); // Load model texture

2
examples/shaders_model_shader.c
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@ -30,7 +30,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [shaders] example - model shader");
// Define the camera to look into our 3d world
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Model dwarf = LoadModel("resources/model/dwarf.obj"); // Load OBJ model
Texture2D texture = LoadTexture("resources/model/dwarf_diffuse.png"); // Load model texture

2
examples/shaders_postprocessing.c
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@ -30,7 +30,7 @@ int main()
InitWindow(screenWidth, screenHeight, "raylib [shaders] example - postprocessing shader");
// Define the camera to look into our 3d world
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
Camera camera = {{ 3.0f, 3.0f, 3.0f }, { 0.0f, 1.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
Model dwarf = LoadModel("resources/model/dwarf.obj"); // Load OBJ model
Texture2D texture = LoadTexture("resources/model/dwarf_diffuse.png"); // Load model texture

8
src/camera.c
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@ -84,7 +84,7 @@ typedef enum { MOVE_FRONT = 0, MOVE_LEFT, MOVE_BACK, MOVE_RIGHT, MOVE_UP, MOVE_D
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
static Camera internalCamera = {{ 2.0f, 0.0f, 2.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }};
static Camera internalCamera = {{ 2.0f, 0.0f, 2.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
static Vector2 cameraAngle = { 0.0f, 0.0f };
static float cameraTargetDistance = 5.0f;
static Vector2 cameraMousePosition = { 0.0f, 0.0f };
@ -212,6 +212,12 @@ void SetCameraTarget(Vector3 target)
cameraTargetDistance = sqrt(dx*dx + dy*dy + dz*dz);
}
// Set internal camera fovy
void SetCameraFovy(float fovy)
{
internalCamera.fovy = fovy;
}
// Set camera pan key to combine with mouse movement (free camera)
void SetCameraPanControl(int panKey)
{

1
src/camera.h
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@ -81,6 +81,7 @@ void UpdateCameraPlayer(Camera *camera, Vector3 *position); // Update camera and
void SetCameraPosition(Vector3 position); // Set internal camera position
void SetCameraTarget(Vector3 target); // Set internal camera target
void SetCameraFovy(float fovy); // Set internal camera field-of-view-y
void SetCameraPanControl(int panKey); // Set camera pan key to combine with mouse movement (free camera)
void SetCameraAltControl(int altKey); // Set camera alt key to combine with mouse movement (free camera)

6
src/core.c
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@ -612,7 +612,7 @@ void Begin3dMode(Camera camera)
// Setup perspective projection
float aspect = (float)screenWidth/(float)screenHeight;
double top = 0.01*tan(45.0*PI/360.0);
double top = 0.01*tan(camera.fovy*PI/360.0);
double right = top*aspect;
// NOTE: zNear and zFar values are important when computing depth buffer values
@ -883,7 +883,7 @@ Ray GetMouseRay(Vector2 mousePosition, Camera camera)
TraceLog(DEBUG, "Device coordinates: (%f, %f, %f)", deviceCoords.x, deviceCoords.y, deviceCoords.z);
// Calculate projection matrix (from perspective instead of frustum)
Matrix matProj = MatrixPerspective(45.0, ((double)GetScreenWidth()/(double)GetScreenHeight()), 0.01, 1000.0);
Matrix matProj = MatrixPerspective(camera.fovy, ((double)GetScreenWidth()/(double)GetScreenHeight()), 0.01, 1000.0);
// Calculate view matrix from camera look at
Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up);
@ -936,7 +936,7 @@ Ray GetMouseRay(Vector2 mousePosition, Camera camera)
Vector2 WorldToScreen(Vector3 position, Camera camera)
{
// Calculate projection matrix (from perspective instead of frustum
Matrix matProj = MatrixPerspective(45.0f, (float)((float)GetScreenWidth() / (float)GetScreenHeight()), 0.01f, 1000.0f);
Matrix matProj = MatrixPerspective(camera.fovy, (double)GetScreenWidth()/(double)GetScreenHeight(), 0.01, 1000.0);
// Calculate view matrix from camera look at (and transpose it)
Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up);

28
src/models.c
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@ -558,19 +558,9 @@ Model LoadModel(const char *fileName)
// NOTE: model properties (transform, texture, shader) are initialized inside rlglLoadModel()
model = rlglLoadModel(mesh); // Upload vertex data to GPU
// Now that vertex data is uploaded to GPU VRAM, we can free arrays from CPU RAM
// NOTE 1: We don't need CPU vertex data on OpenGL 3.3 or ES2... for static meshes...
// NOTE 2: ...but we could keep CPU vertex data in case we need to update the mesh
/*
if (rlGetVersion() != OPENGL_11)
{
free(mesh.vertices);
free(mesh.texcoords);
free(mesh.normals);
free(mesh.colors);
}
*/
// NOTE: Now that vertex data is uploaded to GPU VRAM, we can free arrays from CPU RAM
// We don't need CPU vertex data on OpenGL 3.3 or ES2... for static meshes...
// ...but we could keep CPU vertex data in case we need to update the mesh
}
return model;
@ -1082,16 +1072,16 @@ void UnloadModel(Model model)
free(model.mesh.vertices);
free(model.mesh.texcoords);
free(model.mesh.normals);
if (model.mesh.texcoords2 != NULL) free(model.mesh.texcoords2);
if (model.mesh.tangents != NULL) free(model.mesh.tangents);
if (model.mesh.colors != NULL) free(model.mesh.colors);
free(model.mesh.colors);
//if (model.mesh.texcoords2 != NULL) free(model.mesh.texcoords2); // Not used
//if (model.mesh.tangents != NULL) free(model.mesh.tangents); // Not used
rlDeleteBuffers(model.mesh.vboId[0]); // vertex
rlDeleteBuffers(model.mesh.vboId[1]); // texcoords
rlDeleteBuffers(model.mesh.vboId[2]); // normals
rlDeleteBuffers(model.mesh.vboId[3]); // texcoords2
rlDeleteBuffers(model.mesh.vboId[4]); // tangents
rlDeleteBuffers(model.mesh.vboId[5]); // colors
//rlDeleteBuffers(model.mesh.vboId[3]); // texcoords2 (NOT USED)
//rlDeleteBuffers(model.mesh.vboId[4]); // tangents (NOT USED)
//rlDeleteBuffers(model.mesh.vboId[5]); // colors (NOT USED)
rlDeleteVertexArrays(model.mesh.vaoId);

9
src/raylib.h
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@ -309,10 +309,10 @@ typedef struct SpriteFont {
// Camera type, defines a camera position/orientation in 3d space
typedef struct Camera {
Vector3 position;
Vector3 target;
Vector3 up;
//float fovy; // Field-Of-View apperture in Y (degrees)
Vector3 position; // Camera position
Vector3 target; // Camera target it looks-at
Vector3 up; // Camera up vector (rotation over its axis)
float fovy; // Field-Of-View apperture in Y (degrees)
} Camera;
// Bounding box type
@ -630,6 +630,7 @@ void UpdateCameraPlayer(Camera *camera, Vector3 *position); // Update camera and
void SetCameraPosition(Vector3 position); // Set internal camera position
void SetCameraTarget(Vector3 target); // Set internal camera target
void SetCameraFovy(float fovy); // Set internal camera field-of-view-y
void SetCameraPanControl(int panKey); // Set camera pan key to combine with mouse movement (free camera)
void SetCameraAltControl(int altKey); // Set camera alt key to combine with mouse movement (free camera)