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-rw-r--r--examples/web/physics/physics_movement.c165
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diff --git a/examples/web/physics/physics_movement.c b/examples/web/physics/physics_movement.c
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--- a/examples/web/physics/physics_movement.c
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-/*******************************************************************************************
-*
-* Physac - Physics movement
-*
-* NOTE 1: Physac requires multi-threading, when InitPhysics() a second thread is created to manage physics calculations.
-* NOTE 2: Physac requires static C library linkage to avoid dependency on MinGW DLL (-static -lpthread)
-*
-* Use the following line to compile:
-*
-* gcc -o $(NAME_PART).exe $(FILE_NAME) -s $(RAYLIB_DIR)\raylib\raylib_icon -static -lraylib -lpthread
-* -lglfw3 -lopengl32 -lgdi32 -lopenal32 -lwinmm -std=c99 -Wl,--subsystem,windows -Wl,-allow-multiple-definition
-*
-* Copyright (c) 2017 Victor Fisac
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#define PHYSAC_IMPLEMENTATION
-#include "physac.h"
-
-#if defined(PLATFORM_WEB)
- #include <emscripten/emscripten.h>
-#endif
-
-#define VELOCITY 0.5f
-
-//----------------------------------------------------------------------------------
-// Global Variables Definition
-//----------------------------------------------------------------------------------
-const int screenWidth = 800;
-const int screenHeight = 450;
-
-// Physac logo drawing position
-int logoX = 0;
-int logoY = 15;
-
-PhysicsBody body = { 0 };
-
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void); // Update and Draw one frame
-
-//----------------------------------------------------------------------------------
-// Program Main Entry Point
-//----------------------------------------------------------------------------------
-int main(void)
-{
- // Initialization
- //--------------------------------------------------------------------------------------
- SetConfigFlags(FLAG_MSAA_4X_HINT);
- InitWindow(screenWidth, screenHeight, "Physac [raylib] - Physics movement");
-
- // Physac logo drawing position
- logoX = screenWidth - MeasureText("Physac", 30) - 10;
-
- // Initialize physics and default physics bodies
- InitPhysics();
-
- // Create ground and walls rectangle physics body
- PhysicsBody ground = CreatePhysicsBodyRectangle((Vector2){ screenWidth/2, screenHeight }, screenWidth, 100, 10);
- PhysicsBody platformLeft = CreatePhysicsBodyRectangle((Vector2){ screenWidth*0.25f, screenHeight*0.6f }, screenWidth*0.25f, 10, 10);
- PhysicsBody platformRight = CreatePhysicsBodyRectangle((Vector2){ screenWidth*0.75f, screenHeight*0.6f }, screenWidth*0.25f, 10, 10);
- PhysicsBody wallLeft = CreatePhysicsBodyRectangle((Vector2){ -5, screenHeight/2 }, 10, screenHeight, 10);
- PhysicsBody wallRight = CreatePhysicsBodyRectangle((Vector2){ screenWidth + 5, screenHeight/2 }, 10, screenHeight, 10);
-
- // Disable dynamics to ground and walls physics bodies
- ground->enabled = false;
- platformLeft->enabled = false;
- platformRight->enabled = false;
- wallLeft->enabled = false;
- wallRight->enabled = false;
-
- // Create movement physics body
- body = CreatePhysicsBodyRectangle((Vector2){ screenWidth/2, screenHeight/2 }, 50, 50, 1);
- body->freezeOrient = true; // Constrain body rotation to avoid little collision torque amounts
-
-
-#if defined(PLATFORM_WEB)
- emscripten_set_main_loop(UpdateDrawFrame, 60, 1);
-#else
- SetTargetFPS(60); // Set our game to run at 60 frames-per-second
- //--------------------------------------------------------------------------------------
-
- // Main game loop
- while (!WindowShouldClose()) // Detect window close button or ESC key
- {
- UpdateDrawFrame();
- }
-#endif
-
- // De-Initialization
- //--------------------------------------------------------------------------------------
- ClosePhysics(); // Uninitialize physics
-
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
-
- return 0;
-}
-
-//----------------------------------------------------------------------------------
-// Module Functions Definition
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void)
-{
- // Update
- //----------------------------------------------------------------------------------
- PhysicsStep();
-
- if (IsKeyPressed('R')) // Reset physics input
- {
- // Reset movement physics body position, velocity and rotation
- body->position = (Vector2){ screenWidth/2, screenHeight/2 };
- body->velocity = (Vector2){ 0, 0 };
- SetPhysicsBodyRotation(body, 0);
- }
-
- // Horizontal movement input
- if (IsKeyDown(KEY_RIGHT)) body->velocity.x = VELOCITY;
- else if (IsKeyDown(KEY_LEFT)) body->velocity.x = -VELOCITY;
-
- // Vertical movement input checking if player physics body is grounded
- if (IsKeyDown(KEY_UP) && body->isGrounded) body->velocity.y = -VELOCITY*4;
- //----------------------------------------------------------------------------------
-
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
-
- ClearBackground(BLACK);
-
- DrawFPS(screenWidth - 90, screenHeight - 30);
-
- // Draw created physics bodies
- int bodiesCount = GetPhysicsBodiesCount();
- for (int i = 0; i < bodiesCount; i++)
- {
- PhysicsBody body = GetPhysicsBody(i);
-
- int vertexCount = GetPhysicsShapeVerticesCount(i);
- for (int j = 0; j < vertexCount; j++)
- {
- // Get physics bodies shape vertices to draw lines
- // Note: GetPhysicsShapeVertex() already calculates rotation transformations
- Vector2 vertexA = GetPhysicsShapeVertex(body, j);
-
- int jj = (((j + 1) < vertexCount) ? (j + 1) : 0); // Get next vertex or first to close the shape
- Vector2 vertexB = GetPhysicsShapeVertex(body, jj);
-
- DrawLineV(vertexA, vertexB, GREEN); // Draw a line between two vertex positions
- }
- }
-
- DrawText("Use 'ARROWS' to move player", 10, 10, 10, WHITE);
- DrawText("Press 'R' to reset example", 10, 30, 10, WHITE);
-
- DrawText("Physac", logoX, logoY, 30, WHITE);
- DrawText("Powered by", logoX + 50, logoY - 7, 10, WHITE);
-
- EndDrawing();
- //----------------------------------------------------------------------------------
-}
-