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This commit is contained in:
raysan5 2019-07-28 15:33:55 +02:00
parent 895f9613d2
commit b83d165764
2 changed files with 38 additions and 38 deletions
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68
examples/textures/textures_mouse_painting.c
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@ -65,13 +65,13 @@ int main(void)
// Main game loop // Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key while (!WindowShouldClose()) // Detect window close button or ESC key
{ {
// Update // Update
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
Vector2 mousePos = GetMousePosition(); Vector2 mousePos = GetMousePosition();
// Switch between colors // Switch between colors
if (IsKeyPressed(KEY_RIGHT)) colorSelected++; if (IsKeyPressed(KEY_RIGHT)) colorSelected++;
else if (IsKeyPressed(KEY_LEFT)) colorSelected--; else if (IsKeyPressed(KEY_LEFT)) colorSelected--;
else if (IsKeyPressed(KEY_UP)) colorSelected -= 3; else if (IsKeyPressed(KEY_UP)) colorSelected -= 3;
else if (IsKeyPressed(KEY_DOWN)) colorSelected += 3; else if (IsKeyPressed(KEY_DOWN)) colorSelected += 3;
@ -91,41 +91,41 @@ int main(void)
colorSelectedPrev = colorSelected; colorSelectedPrev = colorSelected;
} }
if (colorSelected >= MAX_COLORS_COUNT) colorSelected = MAX_COLORS_COUNT - 1; if (colorSelected >= MAX_COLORS_COUNT) colorSelected = MAX_COLORS_COUNT - 1;
else if (colorSelected < 0) colorSelected = 0; else if (colorSelected < 0) colorSelected = 0;
// Change brush size // Change brush size
brushSize += GetMouseWheelMove()*5; brushSize += GetMouseWheelMove()*5;
if (brushSize < 2) brushSize = 2; if (brushSize < 2) brushSize = 2;
if (brushSize > 50) brushSize = 50; if (brushSize > 50) brushSize = 50;
if (IsKeyPressed(KEY_C)) if (IsKeyPressed(KEY_C))
{ {
// Clear render texture to clear color // Clear render texture to clear color
BeginTextureMode(target); BeginTextureMode(target);
ClearBackground(colors[0]); ClearBackground(colors[0]);
EndTextureMode(); EndTextureMode();
} }
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
{ {
// Paint circle into render texture // Paint circle into render texture
// NOTE: To avoid discontinuous circles, we could store // NOTE: To avoid discontinuous circles, we could store
// previous-next mouse points and just draw a line using brush size // previous-next mouse points and just draw a line using brush size
BeginTextureMode(target); BeginTextureMode(target);
if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[colorSelected]); if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[colorSelected]);
EndTextureMode(); EndTextureMode();
} }
if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON)) if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON))
{ {
colorSelected = 0; colorSelected = 0;
// Erase circle from render texture // Erase circle from render texture
BeginTextureMode(target); BeginTextureMode(target);
if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[0]); if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[0]);
EndTextureMode(); EndTextureMode();
} }
else colorSelected = colorSelectedPrev; else colorSelected = colorSelectedPrev;
// Check mouse hover save button // Check mouse hover save button
@ -152,16 +152,16 @@ int main(void)
saveMessageCounter = 0; saveMessageCounter = 0;
} }
} }
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Draw // Draw
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
BeginDrawing(); BeginDrawing();
ClearBackground(RAYWHITE); ClearBackground(RAYWHITE);
// NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom) // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE); DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
// Draw drawing circle for reference // Draw drawing circle for reference
if (mousePos.y > 50) if (mousePos.y > 50)
@ -194,8 +194,8 @@ int main(void)
DrawText("IMAGE SAVED: my_amazing_texture_painting.png", 150, 180, 20, RAYWHITE); DrawText("IMAGE SAVED: my_amazing_texture_painting.png", 150, 180, 20, RAYWHITE);
} }
EndDrawing(); EndDrawing();
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
} }
// De-Initialization // De-Initialization